Abrahim, O., Linnander, E., Mohammed, H., Fetene, N., & Bradley, E. (2015). A Patient-Centered Understanding of the Referral System in Ethiopian Primary Health Care Units. PLoS One.

Abrahim, Orit, Erika Linnander, Halima Mohammed, Netsanet Fetene, ja Elizabeth Bradley. "A Patient-Centered Understanding of the Referral System in Ethiopian Primary Health Care Units." PLoS One 2015.

Abrahim, Orit, et al. "A Patient-Centered Understanding of the Referral System in Ethiopian Primary Health Care Units." PLoS One 2015.