Cumbi A et al. "Major surgery delegation to mid-level health practitioners in Mozambique: health professionals' perceptions." Human Resources for Health; 2007, 5:27 doi:10.1186/1478-4491-5-27
Kruk ME et al. "Human resource and funding constraints for essential surgery in district hospitals in Africa: a retrospective cross-sectional survey." PLoS Medicine, 2010; 7(3): e1000242. doi:10.1371/journal.pmed.1000242