TY  - RPRT
TI  - Maternal positions during labor.
AU  - N Johnson
AU  - V A Johnson
AU  - J K Gupta
PY  - 1991
DO  - 10.1097/00006254-199107000-00003
UR  - https://pubmed.ncbi.nlm.nih.gov/1876355/
ID  - 1876355
ER  -