PT - JOURNAL ARTICLE AU - Natalie McGill TI - Member Groups in Brief DP - 2016 May 01 TA - The Nation's Health PG - 16--16 VI - 46 IP - 4 4099 - http://www.thenationshealth.org/content/46/4/16.2.short 4100 - http://www.thenationshealth.org/content/46/4/16.2.full SO - Nations Health2016 May 01; 46