TY  - RPRT
TI  - Dystocia and occipitoposterior.
AU  - L R WEEKES
AU  - K G HOBBS
PY  - 1958
DO  - 10.1016/s0002-9378(16)36952-6
UR  - https://pubmed.ncbi.nlm.nih.gov/13595021/
ID  - 13595021
ER  -