TY  - RPRT
TI  - Cervical smear sampling quality.
AU  - F Buntinx
AU  - H F Crebolder
AU  - J A Knottnerus
AU  - G G Essed
PY  - 1991
DO  - 10.1016/0140-6736(91)90269-u
UR  - https://pubmed.ncbi.nlm.nih.gov/1673013/
ID  - 1673013
ER  -