TY - RPRT TI - Naltrexone implants -- duration, tolerability and clinical usefulness. A pilot study. AU - Helge Waal AU - Grethe Frogopsahl AU - Linda Olsen AU - Asbjørg S Christophersen AU - Jørg Mørland PY - 2006 DO - 10.1159/000092115 UR - https://pubmed.ncbi.nlm.nih.gov/16778434/ ID - 16778434 ER -