1. Experimental chemotherapy of filariasis. III. Effect of 1-diethyl-carbamyl-4-methylpiperazine hydrochloride against naturally acquired filarial infections in cotton rats and dogs;Hewitt;J. Lab. Clin. Med.,1947
2. Expert Committee on Onchocerciasis, First Report, WHO Techn. Rep. Ser., No. 87, 1954.
3. Observations on the treatment of onchoceriasis in an endemic area of Western Nigeria;Nnochiri;Tr. Roy. Soc. Trop. Med. Hyg.,1964
4. Lazar, M.: Personal observation made at Governmental Eye Clinic, Monrovia, Liberia, 1964–1966.
5. Epidemiology and control;Onchoceriasis;WHO Chron.,1966