Spring screening for asthma; staying alert to allergic reactions.
D001249:Asthma / Q000175:diagnosis*; D005260:Female; D006801:Humans; D006967:Hypersensitivity / Q000175:diagnosis* / Q000517:prevention & control; D008297:Male; D008403:Mass Screening; D012573:School Nursing; D012621:Seasons; D014481:United States