Shams, H. (1992). Diphtheria Epidemics and Effects of Mass Vaccination in Immunization.. , 5(2), 55-61.

H. Shams. "Diphtheria Epidemics and Effects of Mass Vaccination in Immunization.". , 5, 2, 1992, 55-61.

Shams, H. (1992). 'Diphtheria Epidemics and Effects of Mass Vaccination in Immunization.', , 5(2), pp. 55-61.

Shams, H. Diphtheria Epidemics and Effects of Mass Vaccination in Immunization.. , 1992; 5(2): 55-61.