TY  - RPRT
TI  - Variation in antenatal testing over time and between clinic settings.
AU  - J L Read
AU  - R S Stern
AU  - L A Thibodeau
AU  - D E Geer
AU  - H Klapholz
PY  - 1983
UR  - https://pubmed.ncbi.nlm.nih.gov/6827741/
ID  - 6827741
ER  -