Pattanayak SK, Poulos C, Yang JC, Patil SR, Wendland KJ. Of taps and toilets: quasi-experimental protocol for evaluating community-demand-driven projects. J Water Health. 2009 Sep 1;7(3):434-51.
Freund DA, Hurley RE, Adamache KW, Mauskopf J. The performance of urban and public hospitals and NHCs (neighborhood health centers) under Medicaid capitation programs. Hosp Health Serv Adm. 1990 Jan 1;35(4):525-46.