Ahmed, O A Caring for patients with asthma. Parents must know when to intervene. [electronic resource] - BMJ (Clinical research ed.) Apr 1994 - 1099-100 p. digital Publication Type: Comment; Letter ISSN: 0959-8138 Subjects--Topical Terms: Asthma--therapyChildChild, PreschoolHumansParentsPeak Expiratory Flow RateSelf Care