TY - GEN AU - Wechsberg, Wendee M. AU - Kasten, Jennifer J. TI - Methadone maintenance treatment in the US : a practical question and answer guide SN - 9780826101303 PY - 2007/// CY - New York PB - Springer Publishing Company KW - drugs KW - heroïne KW - hulpverlening KW - methadon KW - VS ER -