AU - Friedrich MJ TI - PRobing chronic diseases in developing countries PT - JOUR DP - 2012 TA - JAMA pages = {1573}, VI - 307 IP - 15 AID - 10.1001/jama.2012.479 [doi] 4100 - http://dx.doi.org/10.1001/jama.2012.479 SO - JAMA April 18, 2012 307(15):1573