Korie, F. C.; Obaji, O. V.; Ibeneme, C. A.; Chukwudi, N. K.; Ughasoro, M. D.; Ukpabi, I. K. Pattern of Asthma Exacerbation in Children Seen at Federal Medical Centre, Umuahia, Nigeria. The Nig Health J 2020, 19, 101-107.