Hien, Denise A and Fitzpatrick, Skye and Saavedra, Lissette M and Ebrahimi, Chantel T and Norman, Sonya B and Tripp, Jessica and Ruglass, Lesia M and Lopez-Castro, Teresa and Killeen, Therese K and Back, Sudie E and Morgan-López, Antonio A (2022) What's in a name? A data-driven method to identify optimal psychotherapy classifications to advance treatment research on co-occurring PTSD and substance use disorders. European Journal of Psychotraumatology , 13 , (1) , p. 2001191.