Hesse, Morten ; Thylstrup, Birgitte ; Skogen, Jens C
Hesse , M , Thylstrup , B & Skogen , J C 2022 , ' Commentary on Chai et al : Drug use, self-harm, suicide, and use of registry data in epidemiological research ' , Addiction , vol. 117 , no. 7 , pp. 1950-1951 . https://doi.org/10.1111/add.15901.  , 2022