Karin Fremling

Validity of Self-Reported Mobile Phone Use in the COSMOS Study

Paul Elliott, Hans Kromhout, Anssi Auvinen, 2018 .

An international prospective cohort study of mobile phone users and health (Cosmos): design considerations and enrolment.

Hans Kromhout, Anssi Auvinen, Maria Feychting, 2011, Cancer epidemiology.