Emch, Andrew J
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Why optometry?:

Emch, Andrew J.
Optometry - Journal of the American Optometric Association.  77 (2006)  6 - p. 251-252 , 2006
 
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Fecal Contamination of Shallow Tubewells in Bangladesh Inve..:

van Geen, Alexander ; Ahmed, Kazi Matin ; Akita, Yasuyuki...
Environmental Science & Technology.  45 (2011)  4 - p. 1199-1205 , 2011
 
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