S. A. Ahmed

Groundwater arsenic calamity in Bangladesh

D. Chakraborti, G. Ara, B. Mandal, 1997 .

Sputum neurokinin A in Egyptian asthmatic children and adolescents: relation to exacerbation severity

S. Reda, S. Ahmed, G. Mostafa, 2008, Allergy.

Hepatitis B surface antigen in South Sudan.

R. Sanyal, S. A. Ahmed, P. Scedrou, 1984, The Journal of communicable diseases.