Chronic Conditions and Activity Limitation, United States, July, 1965-June, 1966. Public Health Service Publication No. 1000, Series 10, No. 17.
2.
Pless, I.B. and Douglas, J.W.B.: Chronic illness in childhood: Part I. Epidemiological and clinical characteristics . Pediatrics47: 405, 1971.
3.
Current Estimates from the Health Interview Survey, United States, July, 1966-June, 1967. Public Health Service Publication No. 1000, Series 10, No. 43.
4.
Illness Among Children. Children's Bureau Publication, No. 405, 1963.
5.
Disability Days, United States, July, 1965-June, 1966. Public Health Service Publication No. 1000, Series 10, No. 47.
6.
Graham, P.J. , Rutter, M.L., Yule, W. and Pless, I.B.: Childhood asthma: a psychosomatic disorder ?Brit. J. Prev. Med.21: 78, 1967.