KennawayE.L.Cancer of the penis and circumcision in relation to the incubation period of cancer. Br J Cancer1947; 1: 335–44
2.
DollR., PetoR.The causes of cancer: quantitative estimation of avoidable risks of cancer in the United States today. J Natl Cancer Inst1981; 66: 1194–305
3.
SchoentalR.The role of semen-constituents in the formation of carcinogenic and immunosuppressive N-alkyl-N-nitroso compounds by microflora of human faeces in AIDS. Biochem Soc Trans1987; 15: 906–7
4.
SchoentalR.AIDS, and neoplasias associated with AIDS; immunosuppression by N-nitroso compounds endogenously formed from semen. Int J Environ Studies1988; 31: 269–78
