Prevalence of asthma and other allergic diseases in an adolescent population: association with gender and race.
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M. Ross | J. Fagan | D. Hryhorczuk | P. Scheff | V. Persky | V. Ramakrishnan | Victoria Persky | Viswanathan Ramakrishnan | Joanne Fagan | Dan Hryhorczuk | Mary Ross | D. Hryhorczuk