TY  - RPRT
TI  - [Acid base equilibrium during labor].
AU  - M A Urzúa Leos
AU  - C Avila Gamboa
AU  - S Karchmer
PY  - 1975
UR  - https://pubmed.ncbi.nlm.nih.gov/1222907/
ID  - 1222907
ER  -