TY - GEN AU - Seto,E AU - Liang,S AU - Qiu,D AU - Gu,X AU - Spear,R C TI - A protocol for geographically randomized snail surveys in schistosomiasis fieldwork using the global positioning system SN - 0002-9637 PY - 2001///0712 KW - Animals KW - China KW - epidemiology KW - Random Allocation KW - Schistosoma KW - isolation & purification KW - Schistosomiasis KW - Sentinel Surveillance KW - Snails KW - parasitology N1 - Publication Type: Journal Article; Research Support, Non-U.S. Gov't; Research Support, U.S. Gov't, P.H.S UR - https://doi.org/10.4269/ajtmh.2001.64.98 ER -