TY  - BOOK
AU  - Machin,Geoffrey A.
AU  - Keith,Louis G.
TI  - An atlas of multiple pregnancy: biology and pathology 
SN  - 1850709181
PY  - 1999///
CY  - New York
PB  - Parthenon Publishing
KW  - Pregnancy, Multiple
KW  - atlases
ER  -