TY  - RPRT
TI  - [Basic patterns in the epidemiologic process of leptospirosis under present conditions].
AU  - A A Varfolomeeva
AU  - G N Koval'skiĭ
PY  - 1972
UR  - https://pubmed.ncbi.nlm.nih.gov/4563839/
ID  - 4563839
ER  -