TY  - JOUR 
T1  - A Study of Cryptosporidium parvum Genotypes and Population Structure
JO  - Memórias do Instituto Oswaldo Cruz
A1  - Widmer, G
A1  - Tchack, L
A1  - Spano, F
A1  - Tzipori, S
SN  - 0074-0276
UL  - 10.1590/S0074-02761998000500021
VL  - 93 
Y1  - 1998
PB  - Brasil 
ER  -