TY  - RPRT
TI  - [Epidemiologic usefulness of prophylactic serological examinations during a period of decrease in syphilis morbidity].
AU  - J Lesiński
AU  - A Jakubowski
AU  - M Szymczak
AU  - C Wiśniewska
UR  - https://pubmed.ncbi.nlm.nih.gov/4848654/
ID  - 4848654
ER  -