TY  - RPRT
TI  - Should the indications for prenatal chromosome analysis be changed?
AU  - J D Steven
AU  - J B Scrimgeour
PY  - 1978
DO  - 10.1136/bmj.1.6108.301
UR  - https://pubmed.ncbi.nlm.nih.gov/620321/
ID  - 620321
ER  -