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Title
Risks and benefits of estrogen plus progestin in healthy postmenopausal women: principal results From the Women's Health Initiative randomized controlled trial.
Authors
Rossouw JE; Anderson GL; Prentice RL; LaCroix AZ; Kooperberg C; Stefanick ML; Jackson RD; Beresford SA; Howard BV; Johnson KC; Kotchen JM; Ockene J