1. Prognosis of children having asthma;Barr, L.W.; Logan, G.B.;Pediatrics,1964
2. Ventilatory function in subjects with childhood asthma who have become symptom free;Blackhall, M.I.;Arch. Dis. Childh,1970
3. Effect of disodium cromoglycate on post exercise bronchoconstriction in asthma;Blackhall, M.I.; Jones, R.S.,1969
4. Prognosis of asthma in childhood;Buffum, W.P.; Settipane, G.A.;Amer. J. Dis. Child,1966
5. Some observations on the natural history of asthma in childhood;Bullen, S.S.;N. Y. St. J. Med,1929