Hira, P. R. <br/><br/>
The temperature, pH and oxygen content of waters harbouring the intermediate snail host of schistosoma haematobium. 

 - [Ibadan :  Ibadan University Press,  1970] 
<br/><br/> Repr. from the Nigerian Journal of Science, vol. 3, no. 2, Nov., 1969. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Schistosomiasis -- Nigeria.--Schistosomiasis -- Nigeria.<br/>Bulinus.