@article{3140179, title = "A validated gas chromatography-mass spectrometric method for the determination of methadone and its metabolites, EDDP and EMDP, in human breast milk", author = "Nikolaou, Panagiota and Papoutsis, Ioannis and Atta-Politou, Julia and and Calokerinos, Antony and Spiliopoulou, Chara and Athanaselis, Sotiris and and Maravelias, Constantinos", journal = "Toxicology Letters", year = "2008", volume = "180", number = "1", pages = "S137", publisher = "Elsevier Ireland Ltd", issn = "0378-4274", doi = "10.1016/j.toxlet.2008.06.775" }