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APA Citation
FitzGerald, J., Fester, D., Morris, M., Schulzer, M., Hargreave, F., & Sears, M. (1996). relation of Airway Responsiveness to Methacholine to Parent and Child Reporting of Symptoms Suggecting Asthma. Canadian respiratory journal, 3(2), 115–123. http://access.bl.uk/ark:/81055/vdc_100173106280.0x00002a