TY  - DATA
AU  - J.C. Frauenthal
TI  - Smallpox: When Should Routine Vaccination Be Discontinued?
SN  - 9781468467192
PY  - 1981///
PB  - Birkhäuser Boston
KW  - Mathematics and Statistics
UR  - https://doi.org/10.1007/978-1-4684-6719-2
ER  -