RT Journal Article SR Electronic T1 Early hormone replacement therapy may yield benefits, researchers say JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP E1237 OP E1238 DO 10.1503/cmaj.109-4041 VO 183 IS 17 A1 Vogel, Lauren YR 2011 UL http://www.cmaj.ca/content/183/17/E1237.abstract AB