Lei, ...., 		Li QF, ...., 		W, ...., 		L, ...., 		XQ, ...., 		P, ...., & 		O, O.
(2016).
Hand Washing as a Preventive Factor for a Chickenpox Outbreak in a Rural School, Yunnan Province, China.
<em>OSIR Journal, 5</em>(1), 7-13.
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