Mojtahedzadeh, M. .; Panahi, Y. .; Fazeli, M. .; Alizadeh, S. .; Naghizadeh, M. M. .; Moharamzade, Y. . Nosocomial Infection in Critically Ill Patient Receiving Stress Ulcer Prophylactic Drugs: Pneumonia in Patients Received Ranitidine or Sucralfate in ICU. Iran J Pharm Sci 2007, 3, 85-92.