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475 results
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Bias and causal associations in observational research.
Grimes DA, Schulz KF. Grimes DA, et al. Lancet. 2002 Jan 19;359(9302):248-52. doi: 10.1016/S0140-6736(02)07451-2. Lancet. 2002. PMID: 11812579
False alarms and pseudo-epidemics: the limitations of observational epidemiology.
Grimes DA, Schulz KF. Grimes DA, et al. Obstet Gynecol. 2012 Oct;120(4):920-7. doi: 10.1097/AOG.0b013e31826af61a. Obstet Gynecol. 2012. PMID: 22996110
Pitfalls of research linking the intrauterine device to pelvic inflammatory disease.
Hubacher D, Grimes DA, Gemzell-Danielsson K. Hubacher D, et al. Among authors: grimes da. Obstet Gynecol. 2013 May;121(5):1091-8. doi: 10.1097/AOG.0b013e31828ac03a. Obstet Gynecol. 2013. PMID: 23635748
[Failures in sample size calculation in randomized trial: mandatory and mystical].
Schulz KF, Grimes DA. Schulz KF, et al. Among authors: grimes da. Z Arztl Fortbild Qualitatssich. 2006;100(2):129-35. Z Arztl Fortbild Qualitatssich. 2006. PMID: 16686447 German. No abstract available.
Clinical research in obstetrics and gynecology: more tips for busy clinicians.
Grimes DA, Schulz KF. Grimes DA, et al. Obstet Gynecol Surv. 2005 Sep;60(9 Suppl 2):S53-69. doi: 10.1097/01.ogx.0000176675.60585.63. Obstet Gynecol Surv. 2005. PMID: 16123711 Review. No abstract available.
The Good Clinical Practice guideline: a bronze standard for clinical research.
Grimes DA, Hubacher D, Nanda K, Schulz KF, Moher D, Altman DG. Grimes DA, et al. Lancet. 2005 Jul 9-15;366(9480):172-4. doi: 10.1016/S0140-6736(05)66875-4. Lancet. 2005. PMID: 16005342 No abstract available.
When to deliver the stunted fetus?
Grimes DA. Grimes DA. Lancet. 2004 Aug 7-13;364(9433):483-4. doi: 10.1016/S0140-6736(04)16823-2. Lancet. 2004. PMID: 15302175 No abstract available.
Clinical research in obstetrics and gynecology: a Baedeker for busy clinicians.
Grimes DA, Schulz KF. Grimes DA, et al. Obstet Gynecol Surv. 2002 Sep;57(9 Suppl 3):S35-53. doi: 10.1097/00006254-200209003-00001. Obstet Gynecol Surv. 2002. PMID: 12479352 Review. No abstract available.
Uncertainty.
Grimes DA. Grimes DA. Lancet. 2002 Oct 19;360(9341):1242. doi: 10.1016/S0140-6736(02)11275-X. Lancet. 2002. PMID: 12401269 No abstract available.
Switching emergency contraception to over-the-counter status.
Grimes DA. Grimes DA. N Engl J Med. 2002 Sep 12;347(11):846-9. doi: 10.1056/NEJMsb020913. N Engl J Med. 2002. PMID: 12226159 No abstract available.
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