Netnapit Chantawattana. 2009. Mental health and quality of life in Kratom users. Faculty of Medicine Siriraj Hospital, Mahidol University;
Netnapit Chantawattana. (2009) Mental health and quality of life in Kratom users . Mahidol University/Bangkok.
Netnapit Chantawattana. Mental health and quality of life in Kratom users. . Bangkok:Mahidol University, 2009.
Netnapit Chantawattana. (2009) Mental health and quality of life in Kratom users . Mahidol University/Bangkok.