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475 results
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Sample size slippages in randomised trials: exclusions and the lost and wayward.
Schulz KF, Grimes DA. Schulz KF, et al. Among authors: grimes da. Lancet. 2002 Mar 2;359(9308):781-5. doi: 10.1016/S0140-6736(02)07882-0. Lancet. 2002. PMID: 11888606
Timing of emergency contraception with levonorgestrel or the Yuzpe regimen. Task Force on Postovulatory Methods of Fertility Regulation.
Piaggio G, von Hertzen H, Grimes DA, Van Look PF. Piaggio G, et al. Among authors: grimes da. Lancet. 1999 Feb 27;353(9154):721. doi: 10.1016/s0140-6736(98)05718-3. Lancet. 1999. PMID: 10073517 No abstract available.
Nonspecific side effects of oral contraceptives: nocebo or noise?
Grimes DA, Schulz KF. Grimes DA, et al. Contraception. 2011 Jan;83(1):5-9. doi: 10.1016/j.contraception.2010.06.010. Epub 2010 Aug 5. Contraception. 2011. PMID: 21134497
Twenty micrograms vs. >20 microg estrogen oral contraceptives for contraception: systematic review of randomized controlled trials.
Gallo MF, Nanda K, Grimes DA, Schulz KF. Gallo MF, et al. Among authors: grimes da. Contraception. 2005 Mar;71(3):162-9. doi: 10.1016/j.contraception.2004.09.005. Contraception. 2005. PMID: 15722064 Review.
Shifting indications for hysterectomy: nature, nurture, or neither?
Grimes DA. Grimes DA. Lancet. 1994 Dec 17;344(8938):1652-3. doi: 10.1016/s0140-6736(94)90453-7. Lancet. 1994. PMID: 7996956 No abstract available.
[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.
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