Look upstream to prevent border injuries.
Levy
Barry S
BS
Tufts University School of Medicine, Sherborn, Massachusetts 01770, USA. blevy@igc.org
D002140:California / Q000453:epidemiology; D006801:Humans; D008800:Mexico / Q000208:ethnology; D012309:Risk-Taking; D014171:Transients and Migrants; D014947:Wounds and Injuries / Q000401:mortality / Q000517:prevention & control*