TY  - JOUR 
T1  - A comparison of three DNA extractive procedures with Leptospira for polymerase chain reaction analysis
JO  - Memórias do Instituto Oswaldo Cruz
A1  - Veloso, IF
A1  - Lopes, MTP
A1  - Salas, CE
A1  - Moreira, EC
SN  - 0074-0276
UL  - 10.1590/S0074-02762000000300008
VL  - 95 
Y1  - 2000
PB  - Brasil 
ER  -