Urinary cotinine and parental history (questionnaire) as indicators of passive smoking and predictors of lower respiratory illness in infants
Margolis, P.A.; Keyes, L.L.; Greenberg, R.A.;
Bauman, K. E.
; and LaVange, L.M.
Pediatric Pulmonary
, vol. 23, pgs. 417-423 (1997)