Authors: B L Riggs; S F Hodgson; W M O'Fallon; E Y Chao; H W Wahner; J M Muhs; S L Cedel; L J Melton Journal: N Engl J Med Date: 1990-03-22 Impact factor: 91.245
Authors: Jacques E Rossouw; Garnet L Anderson; Ross L Prentice; Andrea Z LaCroix; Charles Kooperberg; Marcia L Stefanick; Rebecca D Jackson; Shirley A A Beresford; Barbara V Howard; Karen C Johnson; Jane Morley Kotchen; Judith Ockene Journal: JAMA Date: 2002-07-17 Impact factor: 56.272