TY  - RPRT
TI  - An improved sampling device for cervical cytology.
AU  - E Wachtel
AU  - H Gordon
PY  - 1974
DO  - 10.1016/s0140-6736(74)91354-3
UR  - https://pubmed.ncbi.nlm.nih.gov/4134412/
ID  - 4134412
ER  -