M. S. Khan, M. Unemo, S. Zaman, and C. S. Lundborg, “KNOWLEDGE, ATTITUDES AND PRACTICES REGARDING HUMAN IMMUNODEFICIENCY VIRUS/ACQUIRED IMMUNE DEFICIENCY SYNDROME AND SEXUALLY TRANSMITTED INFECTIONS AMONG HEALTH CARE PROVIDERS IN LAHORE, PAKISTAN”, J Ayub Med Coll Abbottabad, vol. 21, no. 4, pp. 1–6, Dec. 2009.