@article{O’Connor1998,
author = {O’Connor, K.A. and Holman, D.J. and Wood, J.W.},
title= {Declining fecundity and ovarian ageing in natural fertility populations},
year = {1998},
doi = {10.1016/S0378-5122(98)00068-1},
volume = {30},
number = {2},
pages = {127--136},
}