International study of definitions of English-language terms for suicidal behaviours: protocol of an opinion survey by Goodfellow, B, Kõlves, K, De Leo, D, Silverman, M, Berman, A, Mann, J, Arensman, E, Hawton, K, Phillips, M, Vijayakumar, L

International study of definitions of English-language terms for suicidal behaviours: a survey exploring preferred terminology. by De Leo, D, Goodfellow, B, Silverman, M, Berman, A, Mann, J, Arensman, E, Hawton, K, Phillips, MR, Vijayakumar, L, Andriessen, K, Chavez-Hernandez, A-M, Heisel, M, Kolves, K