Cell phone use and behavioural problems: indications of unobserved heterogeneity in Divan et al's study.
Jarle
J
Aarstad
D040421:Cell Phone / Q000706:statistics & numerical data*; D006801:Humans; D001523:Mental Disorders / Q000453:epidemiology* / Q000209:etiology; D009664:Norway / Q000453:epidemiology; D012307:Risk Factors; D012449:Safety / Q000706:statistics & numerical data*