PT - JOURNAL ARTICLE AU - Topper, Lauren AU - Marill, Jennifer AU - Kelly, Christopher AU - Funk, Kathryn TI - Rigorous policies ensure integrity of NLM literature databases AID - 10.1503/cmaj.71602 DP - 2019 Mar 11 TA - Canadian Medical Association Journal PG - E289--E289 VI - 191 IP - 10 4099 - http://www.cmaj.ca/content/191/10/E289.short 4100 - http://www.cmaj.ca/content/191/10/E289.full SO - CMAJ2019 Mar 11; 191