C. C. Twort

• A comparison of the carcinogenicity of mule spindle oils in use to-day with those in use some five to ten years ago
• A new method for measuring carcinogenicity
• Cancer susceptibility in relation to colour of mice
• Carcinoma of the uterus of the rabbit with splenic metastases
• Experiments on the nature of the carcinogenic agents in minereal oils
• Further experiments on the carcinogenicity of synthetic tars and their fractions
• Notes on some of the procedures adopted for assessing the biological activity of mineral oils
• Observations on the reaction of the skin to oils and tars
• Sarcoma and carcinoma in a guinea-pig
• Suggested methods for the standardisation of the carcinogenic activity of different agents for the skin of mice
• Tests for assessing the carcinogenicity of mineral oils
• The carcinogenic potency of mineral oils