TY - GEN AU - Whincup,P H AU - Gilg,J A AU - Odoki,K AU - Taylor,S J AU - Cook,D G TI - Age of menarche in contemporary British teenagers: survey of girls born between 1982 and 1986 SN - 0959-8138 PY - 2001///0607 KW - Adolescent KW - Aging KW - physiology KW - Confidence Intervals KW - England KW - Female KW - Humans KW - Menarche KW - ethnology KW - Reference Values KW - Social Class KW - Wales N1 - Publication Type: Journal Article; Research Support, Non-U.S. Gov't UR - https://doi.org/10.1136/bmj.322.7294.1095 ER -