HillmanH. (1970). Why painful experiments and lack of proper animal care are scientifically undesirable.World Federation for the Protection of AnimalsZurich
2.
HillmanH. (1972). Certainty and Uncertainty in Biochemical Techniques. Surrey University PressIntertext, London, 59–62
3.
HillmanH. (1976a).Towards a classification of evidence in biological and medical research in respect of its validity.Acta Biotheoretica, 25, 153–162
4.
HillmanH. (1976b).Mechanisms of drug action: a new approach.Hospital Update, August, 431–433