TY  - BOOK
AU  - Kovaleva, I. B.
TI  - ˆThe ‰epidemiology and prevention of El Tor cholera
T2  - International courses on epidemiology and control of communicable diseases
PY  - 1972///
CY  - M.
KW  - Москва
KW  - Ме3-700
KW  - rubbk
KW  - ˆ[‰Р194.15]
ER  -