Serum levels of selenium, zinc, copper and magnesium in asthmatic patients : a case control study
By: Husayn, Magboula Mamun; Yusuf, Ala al-Din Ahmad; Saeed, Amal Mahmud. Sudan Journal of Medical Sciences. Vol. 3, no. 1 (Mar. 2008), pp.45-49, 5 p.
Subjects: Asthma; Patients