1. Halstead B W 1971 Toxicity of marine organisms caused by marine pollutants;FAO Tech. Conf. Doc. MP/70/R-6, p 21
2. Harsberger J C 1972 Work of the registry of tumours in lower animals with emphasis on fish neoplasms. InDiseases of Fish, (ed.) L E Mawdesley-Thomas (New York and London: Academic Press & Zoological Society) pp 285–303
3. Kawatsu U, Homma A and Kawaguchi K 1977 Epidemic fish diseases and their control in Japan; InAdvances in Aquaculture (eds) T V R Pillay and Dill Wm A (Farnham Surrey England; FAO Fishing News Book Ltd) pp 197–200
4. Lakshmanaperumalsamy P, Chandramohan D and Natarajan R 1976 On the occurrence of osteoma in a marine cat fish;Curr. Sci. 45 592–594
5. McArn G E and Wellings S R 1971 A comparison of skin tumours in three species of flounders;J. Fish. Res. Bd. Can. 28 1241–1251