RT Journal Article SR Electronic T1 Hygiene and sanitation: medical, social and psychological concerns JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 1313 OP 1314 DO 10.1503/cmaj.150588 VO 187 IS 17 A1 van der Geest, Sjaak YR 2015 UL http://www.cmaj.ca/content/187/17/1313.abstract