1. En undersøkelse om kreftpasienters medisinske og sosiale situasjon;Ganes,1978
2. The use of alternative medicine among patients;Gjemdal;J Norweg Med Assoc,1979
3. A survey of unproven cancer remedies and their users in an outpatient clinic for cancer therapy in Finland;Arkko;Soc Sci Med,1980
4. Cancer patients' use of Q10;Damkier;Ugeskr Loeger,1994
5. Tumour patients and alternative medicine: an attempt at characterising users of alternative methods in oncology;Berger;Dtsch med Wschr,1989