TY  - BOOK
AU  - Bryan, Elizabeth M.
TI  - Twins and higher multiple births: a guide to their nature and nature
SN  - 9780340544525
U1  - 618.25 
PY  - 1992///
CY  - London
PB  - Edward Arnold
KW  - Gynaecology and Obstetrics
KW  - Medical Sciences
N1  - Bibliography : pp.315-249
N2  - 1996-02-08
ER  -