PT - JOURNAL ARTICLE AU - Roger Collier TI - WHO guidelines on ethical public health surveillance AID - 10.1503/cmaj.1095453 DP - 2017 Jul 24 TA - Canadian Medical Association Journal PG - E977--E977 VI - 189 IP - 29 4099 - http://www.cmaj.ca/content/189/29/E977.short 4100 - http://www.cmaj.ca/content/189/29/E977.full SO - CMAJ2017 Jul 24; 189