TY  - GEN
AU  - Casa,D
AU  - Lun,M T
TI  - [Weight at birth of siblings of twins]
SN  - 0001-5660
PY  - 1971///0415
KW  - Birth Weight
KW  - Female
KW  - Humans
KW  - Male
KW  - Pregnancy
KW  - Twins
N1  - Publication Type: Journal Article
ER  -