Zhou, X <br/><br/>
[Analysis for spatial distribution of Oncomelania snail in mainland China by geographic information system(GIS) database].  [electronic resource] 

 -  Zhonghua yu fang yi xue za zhi [Chinese journal of preventive medicine]  Nov 1999 
 - 343-5 p.  digital 
<br/><br/> Publication Type: English Abstract; Journal Article; Research Support, Non-U.S. Gov't 
<br/><br/><label>ISSN: </label>0253-9624 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Animals<br/>China<br/>Demography<br/>Disease Vectors<br/>Ecology<br/>Geographic Information Systems<br/>Polymorphism, Genetic--genetics<br/>Schistosomiasis japonica--transmission<br/>Snails--genetics