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© 2006 Plataforma Bioinformàtica de la UAB Recerca biològica a la Web 1. Bases de dades de bibliografia científica.

Publicada porGabriel Palma Ávila Modificado hace 10 años

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Presentación del tema: "© 2006 Plataforma Bioinformàtica de la UAB Recerca biològica a la Web 1. Bases de dades de bibliografia científica."— Transcripción de la presentación:

1 © 2006 Plataforma Bioinformàtica de la UAB Recerca biològica a la Web 1. Bases de dades de bibliografia científica

2 © 2006 Plataforma Bioinformàtica de la UAB L’art de trobar informació a la Web Internet és una font d’informació tremendament útil per a la recerca biològica... però el Google em dóna milions d’entrades a les meves cerques, i la que jo vull és la número 342...! On puc anar a trobar la informació que necessito? Com put jutjar quina informació és fiable?

3 © 2006 Plataforma Bioinformàtica de la UAB Bases de dades bibliogràfiques Organització dels articles publicats a les revistes d’àmbit científic. –MedlineMedline –Pubmed (NCBI)Pubmed (NCBI)

4 © 2006 Plataforma Bioinformàtica de la UAB Operadors lògics o booleans AND / +keyword1 i keyword2 » human AND mouse OR / ^keyword1 o keyword2 » human OR mouse NOT / -keyword1 però no keyword2 » mammal NOT human ? / *mots parcials (inici / final) » ?ribonucleotidedeoxy* “”frases » “major histocompatibility complex” (...)estructures complexes » (mhc AND mammal) NOT human

5 © 2006 Plataforma Bioinformàtica de la UAB Entrez PubMed Search fields Exemple: Lander+ES[AU] = “Lander ES”[AU]

6 © 2006 Plataforma Bioinformàtica de la UAB Exercici bàsic Find citations to articles about female genital diseases published in 2006 by Edward W. Cowen or Giovanni Parmigiani. female genital diseases AND 2006[DP] AND ("Cowen EW"[AU] OR "Parmigiani G"[AU])

7 © 2006 Plataforma Bioinformàtica de la UAB Medical Subject Headings (MeSH) Vocabulari controlat de mots mèdics Estructura jeràrquica Garantitza una correcta indexació dels documents del MEDLINE / PubMed http://www.nlm.nih.gov/mesh/meshhome.html 1. Cerques 2. Combinació de mots3. Altres característiques

8 © 2006 Plataforma Bioinformàtica de la UAB Exercici avançat Find citations to articles about female genital diseases in adolescents and health education methods and trends used to educate this group. Limit the results to citations published in English since 1990.

9 © 2006 Plataforma Bioinformàtica de la UAB Exercici avançat Step 1: Click on Preview/Index. Find citations to articles about female genital diseases in adolescents and health education methods and trends used to educate this group. Limit the results to citations published in English since 1990.

10 © 2006 Plataforma Bioinformàtica de la UAB Exercici avançat Step 2: Go to the "Add Term(s) to Query or View Index" section of the screen and use the All Fields pull-down to select the MeSH Terms search field. Find citations to articles about female genital diseases in adolescents and health education methods and trends used to educate this group. Limit the results to citations published in English since 1990.

11 © 2006 Plataforma Bioinformàtica de la UAB Exercici avançat Step 3: Enter your first term (female genital diseases) in the text box. Click Preview. PubMed adds the term to the query box and previews the number of search results. Find citations to articles about female genital diseases in adolescents and health education methods and trends used to educate this group. Limit the results to citations published in English since 1990.

12 © 2006 Plataforma Bioinformàtica de la UAB Exercici avançat Step 4: Return to the "Add Term(s) to Query or View Index" section of the screen. Notice that the search field is set to MeSH Terms. Enter your next term (adolescents) in the text box. Click Preview. PubMed adds the term to the query box with an AND operator and previews the number of search results (i.e., female genital diseases AND adolescents). Find citations to articles about female genital diseases in adolescents and health education methods and trends used to educate this group. Limit the results to citations published in English since 1990.

13 © 2006 Plataforma Bioinformàtica de la UAB Exercici avançat Step 5: Return to the "Add Term(s) to Query or View Index" section of the screen. Notice that the search field is still set to MeSH Terms. Enter your next term (health education) in the text box. This time, click Index. PubMed displays the MeSH Terms Index beginning with the term health education. Find citations to articles about female genital diseases in adolescents and health education methods and trends used to educate this group. Limit the results to citations published in English since 1990.

14 © 2006 Plataforma Bioinformàtica de la UAB Exercici avançat Step 6: Select the terms health education/methods and health education/trends by holding down the Ctrl key and clicking on the terms. Click Preview. PubMed automatically ORs the selected terms together, ANDs them to the query, and previews the number of search results. Find citations to articles about female genital diseases in adolescents and health education methods and trends used to educate this group. Limit the results to citations published in English since 1990.

15 © 2006 Plataforma Bioinformàtica de la UAB Exercici avançat Step 7: Click on Limits. Use the Published in the Last date, and select Specify Date Range to choose articles published from 1990 to present (i.e., From: 1990). Use the Language menu to select English. Click Go. Find citations to articles about female genital diseases in adolescents and health education methods and trends used to educate this group. Limit the results to citations published in English since 1990.

16 © 2006 Plataforma Bioinformàtica de la UAB Exercici avançat Find citations to articles about female genital diseases in adolescents and health education methods and trends used to educate this group. Limit the results to citations published in English since 1990.

17 © 2006 Plataforma Bioinformàtica de la UAB Altres motors de cerca bibliogràfica

18 © 2006 Plataforma Bioinformàtica de la UAB Revistes científiques

19 © 2006 Plataforma Bioinformàtica de la UAB Operadors de proximitat W/nnproximitat entre termes » pain W/15 morphine Mateixa expressió: W/3, W/4 o W/5 Mateixa frase: W/15 Mateix paràgraf: W/50 NOT W/nnel primer terme apareix; el segon pot aparèixer, però no més proper que el nombre de paraules especificat PRE/nnel primer terme ha de precedir el segon pel nombre de paraules especificat » behavioural PRE/3 disturbances

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