Ischemic Stroke and Use of Estrogen and Estrogen/Progestogen as Hormone Replacement Therapy
Stroke 29:23-28, Petitti,D.B.,et al, 1998
Hormone Replacement Therapy and the Risk of Stroke, Follow-up of Population-Based Cohort in Sweden
Arch Int Med 153:1201-1209, Falkeborn,M.,et al, 1993