1. The frequency of allergies and positive skin tests among college students;Hagy;J. Allergy,1966
2. Heredity in bronchial asthma;Schwartz;Op. ex Dom. Biol. Hered. Hum. Univ. Haf,1952
3. Studies in specific hypesensitiveness. XI. The familial occurrence of hay fever and bronchial asthma;Spain;J. Immunol,1924
4. A survey of sensitization in students of the University of Michigan;Jiminez;J. Michigan State M. Soc,1934
5. Clinical allergy: Manifestations, diagnosis and treatment;Rowe,1937