Vitamin D deficiency and low hemoglobin level as risk factors for severity of acute lower respiratory tract infections in Egyptian children : a case-control study
By: al-Saqqa, Abir; Amir, Hana; Mustafa, Samah A. B.…[et al.]. Egyptian Pediatric Association Gazette. Vol. 62, no. 1 (Mar. 2014), pp.1-7, 7 p.
Subjects: Anemia; Children; Egypt