RT Journal Article SR Electronic T1 APHA members play key role in Association advocacy: Leaders, member groups weigh in on silica, dietary guides JF The Nation's Health JO Nations Health FD American Public Health Association SP 5 OP 5 VO 44 IS 7 A1 Natalie McGill YR 2014 UL http://www.thenationshealth.org/content/44/7/5.1.abstract AB