Long-term recall accuracy for mobile phone calls in young Japanese people: A follow-up validation study using software-modified phones.
Kiyohara K, Wake K, Watanabe S, Arima T, Sato Y, Kojimahara N, Taki M, Cardis E, Yamaguchi N. Long-term recall accuracy for mobile phone calls in young Japanese people: A follow-up validation study using software-modified phones. J Expo Sci Environ Epidemiol. 2018 Mar;28(2):166-172. doi: 10.1038/jes.2016.73. Epub 2016 Dec 21.