TY  - RPRT
TI  - Improved methods for gonococcal sampling and examination on a large scale.
AU  - B Gästrin
AU  - L O Kallings
PY  - 1968
DO  - 10.1111/j.1699-0463.1968.tb03489.x
UR  - https://pubmed.ncbi.nlm.nih.gov/4305521/
ID  - 4305521
ER  -