TY  - RPRT
TI  - Why does perinatal morbidity increase.
AU  - G H Visser
PY  - 1994
DO  - 10.1515/jpme.1994.22.s1.28
UR  - https://pubmed.ncbi.nlm.nih.gov/7931997/
ID  - 7931997
ER  -