TY  - JOUR 
T1  - Classification of varieties of pasteurella pestis strains isolated in the interior of the state of Pernambuco-Brazil
JO  - Revista da Sociedade Brasileira de Medicina Tropical
A1  - Mello, Dalva A.
A1  - Vasconcelos, Laura M.
SN  - 0037-8682
UL  - 10.1590/S0037-86821969000500007
VL  - 3 
Y1  - 1969
PB  - Brasil 
ER  -