TY  - CHAP
A1  - Simpson, J.L.
A1  - Carson, S.
T1  - Biological causes of foetal loss
Y1  - 1993
A3  - Gray, R.H., Leridon, H., and Spira, A.
T2  - Biomedical and Demographic Determinants of Reproduction
CY  - Oxford, England
PB  - Clarendon Press
SP  - 287
EP  - -315

ER  -