Lei, Chen, Li Li QF, Tangkanakul W, Lu L, Liu XQ, Siriarayaporn P, & O O.
"Hand Washing as a Preventive Factor for a Chickenpox Outbreak in a Rural School, Yunnan Province, China." <em>OSIR Journal</em> [Online], 5.1 (2012): 7-13. Web. 20 Apr. 2024