TY  - RPRT
TI  - Decrease in gamma-glutamyltransferase activity in early amniotic fluid in fetal trisomy 18 syndrome.
AU  - M T Mulcahy
AU  - M Dick
PY  - 1983
DO  - 10.1136/bmj.286.6359.144-c
UR  - https://pubmed.ncbi.nlm.nih.gov/6129915/
ID  - 6129915
ER  -