@article{Li2007,
author = {Li, C.I. and Maline, K.E. and Daling, J.R. and Potter, J.D. and Bernstein, L. and Marchbanks, P.A. and Strom, B.L. and Simon, M.S. and Press, M.F. and Ursin, G. and Burkman, R.T. and Folger, S.G. and Norman, S.A. and McDonald, J.A. and Spirtas, R.},
title= {Timing of menarche and first full-term birth in relatin to breast cancer risk},
year = {2007},
doi = {10.1093/aje/kwm271},
journal = {American Journal of Epidemiology},
volume = {167},
number = {2},
pages = {230--239},
}