Key points are not available for this paper at this time.
Selwyn D. Collins, E. Ruth Phillips, Dorothy S. Oliver, Age Incidence of Specific Causes of Illness Found in Monthly Canvasses of Families: Sample of the Eastern Health District of Baltimore, 1938-43, Public Health Reports (1896-1970), Vol. 66, No. 39 (Sep. 28, 1951), pp. 1227-1245
Collins et al. (Mon,) studied this question.