1. Vital capacity of Negro race;Smillie, W.G.; Augustine, D.L.;JAMA
2. Spirometric standards for healthy inner-city black children;Chehreh, M.N.; Young, R.C.; Viaene, H.; Ross, C.W.; Scott, R.B.;Am J Dis Child,1973
3. Growth and decay 25 Schenker MB, Samet JM, Speizer FE. Risk factors for of pulmonary function in healthy blacks and whites. childhood respiratory disease;Schoenberg, J.B.; Beck, G.J.; Bouhuys, A.;Am Rev Respir Dis Respir Physiol,1978
4. Ferris 28 Godfrey RC. Asthma and IgE levels in rural and urban BG. Distribution of forced vital capacity and forced communities of the Gambia;Dockery, D.W.; Berkey, C.S.; Ware, J.H.; Speizer, F.E.;Clin Allergy,1975
5. Yarnell JWG, St Leger AS. Respiratory infections and 1986;13:307-15.