Randomized clinical trials and observational studies are more often alike than unlike.

نویسنده

  • Joseph S Ross
چکیده

46. O’Keefe JH Jr, Kim SC, Hall RR, Cochran VC, Lawhorn SL, McCallister BD. Estrogen replacement therapy after coronary angioplasty in women. J Am Coll Cardiol. 1997;29(1):1-5. 47. Hulley S, Grady D, Bush T, et al; Heart and Estrogen/progestin Replacement Study (HERS) Research Group. Randomized trial of estrogen plus progestin for secondary prevention of coronary heart disease in postmenopausal women. JAMA. 1998;280(7):605-613.

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عنوان ژورنال:
  • JAMA internal medicine

دوره 174 10  شماره 

صفحات  -

تاریخ انتشار 2014