TY - JOUR TI - A validated gas chromatography-mass spectrometric method for the determination of methadone and its metabolites, EDDP and EMDP, in human breast milk AU - Nikolaou, Panagiota AU - Papoutsis, Ioannis AU - Atta-Politou, Julia and AU - Calokerinos, Antony AU - Spiliopoulou, Chara AU - Athanaselis, Sotiris and AU - Maravelias, Constantinos JO - Toxicology Letters PY - 2008 VL - 180 TODO - 1 SP - S137 PB - Elsevier Ireland Ltd SN - 0378-4274 TODO - 10.1016/j.toxlet.2008.06.775 TODO - null TODO - null ER -