Second thoughts on the women's health initiative study: the effect of age on the safety of HRT.
Studd
John
J
Chelsea & Westminster Hospital, London, UK.
D000367:Age Factors; D003627:Data Interpretation, Statistical; D015914:Estrogen Replacement Therapy; D005260:Female; D006801:Humans; D008402:Mass Media; D018579:Patient Selection; D012107:Research Design