VogelL. C.DisseveltA. G. (1969). A study of some operational aspects of the outpatient department of a district hospital (Machakos, Kenya). A report to the Director of Medical Services. Medical Research Centre, Nairobi, 1969.
3.
VogelL. C.SjoerdsmaA. C. (1973). Kenya Nursing J., 2, 43.
4.
VogelL. C. (1974). The use of drugs in an outpatient department and ways and means to simplify pharmacy administration. Results of two years' experiments in Machakos. In: BagshawA. F. (Editor), The Use and Abuse of Drugs and Chemicals in Tropical Africa.Nairobi: EALB.