Difficult choices.
Pless
I B
IB
D000328:Adult; D002648:Child; D002675:Child, Preschool; D006801:Humans; D011315:Preventive Medicine / Q000379:methods*; D011322:Primary Prevention / Q000379:methods; D012307:Risk Factors; D012959:Socioeconomic Factors; D014944:World Health Organization; D014947:Wounds and Injuries / Q000517:prevention & control*