TY  - GEN
AU  - Grande,R
AU  - Escalante,J M
AU  - Hernández,M
AU  - Ezcurdia,M A
TI  - [Birth weight in twins (author's transl)]
SN  - 0302-4342
PY  - 1977///0103
KW  - Birth Weight
KW  - Body Height
KW  - Female
KW  - Humans
KW  - Male
KW  - Pregnancy
KW  - Sex Factors
KW  - Twins
N1  - Publication Type: Comparative Study; English Abstract; Journal Article
ER  -