TY  - RPRT
TI  - Chorionic villus sampling: quality control--a continuous improvement model.
AU  - F H Boehm
AU  - S L Salyer
AU  - V G Dev
AU  - G W Reed
PY  - 1993
DO  - 10.1016/0002-9378(93)90688-f
UR  - https://pubmed.ncbi.nlm.nih.gov/8317519/
ID  - 8317519
ER  -