TY  - BOOK
AU  - Bulmer,M.G
TI  - The biology of twinning in man
SN  - 198573472y
PY  - 1970///
CY  - Oxford
PB  - Clarendon Press
KW  - Twins
KW  - Embryology, Human
N1  - Bibliography : p. 183-198
ER  -