TI - AMerican journal of diseases of children, chicago PT - JOUR DP - 1969 TA - JAMA pages = {738-740}, VI - 210 IP - 4 AID - 10.1001/jama.1969.03160300078036 [doi] 4100 - http://dx.doi.org/10.1001/jama.1969.03160300078036 SO - JAMA October 27, 1969 210(4):738