Challis, G B The spontaneous regression of cancer. A review of cases from 1900 to 1987. [electronic resource] - Acta oncologica (Stockholm, Sweden) 1990 - 545-50 p. digital Publication Type: Journal Article; Review ISSN: 0284-186X Standard No.: 10.3109/02841869009090048 doi Subjects--Topical Terms: EpidemiologyHumansNeoplasm Regression, Spontaneous--physiopathology