Medical News Today: What to know about intrinsic and extrinsic asthma 0 24.06.2019 22:00 «Medical News Today» (medicalnewstoday.com) Intrinsic (nonallergic) and extrinsic (allergic) asthma are subtypes of asthma that have similar symptoms but different triggers. Learn more about their differences, causes, and treatments here. Moscow.media Частные объявления сегодня Rss.plus Все новости за 24 часа