TY  - RPRT
TI  - Letter: Racial variation in maternal serum-alpha-fetoprotein.
AU  - L M Shapiro
AU  - L G Skinner
AU  - H V Phillips
AU  - C R Whitfield
PY  - 1975
DO  - 10.1016/s0140-6736(75)91025-9
UR  - https://pubmed.ncbi.nlm.nih.gov/53619/
ID  - 53619
ER  -