Topp, S. M., Chipukuma, J. M., Chiko, M. M., Wamulume, C. S., Bolton-Moore, C., & Reid, S. E. (2011). Opt-out provider-initiated HIV testing and counselling in primary care outpatient clinics in Zambia. World Health Organization.

Topp, Stephanie M., Julien M. Chipukuma, Matimba M. Chiko, Chibesa S. Wamulume, Carolyn Bolton-Moore, e Stewart E. Reid. Opt-out Provider-initiated HIV Testing and Counselling in Primary Care Outpatient Clinics in Zambia. World Health Organization, 2011.

Topp, Stephanie M., et al. Opt-out Provider-initiated HIV Testing and Counselling in Primary Care Outpatient Clinics in Zambia. World Health Organization, 2011.