TY  - RPRT
TI  - Correlation between gestational age and minor hemoglobin ratio.
AU  - R C Bryant
PY  - 1980
DO  - 10.1016/0002-9378(80)90654-7
UR  - https://pubmed.ncbi.nlm.nih.gov/6154416/
ID  - 6154416
ER  -