00430nas a2200157   4500000000100000000000100001008004100002100001900043700001700062700002000079700001700099245010400116300001200220490000800232022003200240       1997                            d1 aPerez Gutthann1 aL. Rodriguez1 aJ. Castellsague1 aDuque Oliart00aHormone replacement therapy and risk of venous thromboembolism: population based case-control study  a796-8000 v314  a0959-8138 (Print) 0959-8138