https://www.nlm.nih.gov/medlineplus/ency/article/000141.htm [nlm.nih.gov] [nlm.nih.gov] asthma [nlm.nih.gov] Asthma https://www.nlm.nih.gov/medlineplus/ency/article/000141.htm MedlinePlus: Asthma Asthma Medline Plus: Asthma [nlm.nih.gov] Encyclopedia http://www.nlm.nih.gov/medlineplus/ency/article/000141.htm [nlm.nih.gov] https://www.nlm.nih.gov/medlineplus/ency/article/000141.htm https://www.nlm.nih.gov/medlineplus/ency/article/000141.htm https://www.nlm.nih.gov/medlineplus/ency/article/000141.htm Encyclopedia MedlinePlus: Asthma asthma https://www.nlm.nih.gov/medlineplus/ency/article/000141.htm https://www.nlm.nih.gov/medlineplus/ency/article/000141.htm Asthma А asthma asthma http://www.nlm.nih.gov/medlineplus/ency/article/000141.htm Asthma asthma