TY  - JOUR 
T1  - The use of the polymerase chain reaction and restriction fragment length polymorphism technique associated with the classical morphology for characterization of Lymnaea columella, L. viatrix, and L. diaphana (Mollusca: Lymnaeidae)
JO  - Memórias do Instituto Oswaldo Cruz
A1  - Carvalho, Omar S
A1  - Cardoso, Paula CM
A1  - Lira, Pollanah M
A1  - Rumi, Alejandra
A1  - Roche, Andrea
A1  - Berne, Elizabeth
A1  - Müller, Gertrud
A1  - Caldeira, Roberta L
SN  - 0074-0276
UL  - 10.1590/S0074-02762004000500008
VL  - 99 
Y1  - 2004
PB  - Brasil 
ER  -