O'Donnell MP.
Am J Health Promot. 2010 May-Jun;24(5):iv-v. doi: 10.4278/ajhp.24.5.iv.
PMID: 20465141

Chapman LS.
Am J Health Promot. 2010 Sep-Oct;25(1):TAHP1-12. doi: 10.4278/ajhp.25.1.tahp.
PMID: 20809819

[No authors listed]
Fed Regist. 1980 Apr 25;45(82):27924-5.
PMID: 10246087

Gray F.
Health Soc Serv J. 1984 Mar 29;94(4890):380.
PMID: 10266160

Taylor S.
Nursing (Lond). 1990 Oct 11-24;4(20):32-3.
PMID: 2243625

Badura B, Kickbusch I.
WHO Reg Publ Eur Ser. 1991;37:1-6.
PMID: 1817532

[No authors listed]
Cal State J Med. 1922 May;20(5):156.
PMID: 18738728