@article{88e66fe7424d4300be0f7f159914f89a,
title = "Hydromorphone and codeine concentrations in oral fluid specimens from patients receiving substitution therapy with substitol (morphine sulfate)",
author = "Stefan Lierheimer and Olof Beck and Thomas Keller and Monticelli, {Fabio Carlo} and Michael B{\"o}ttcher",
year = "2021",
month = oct,
day = "13",
doi = "10.1002/dta.3127",
language = "English",
pages = "1743--1748",
journal = "Drug Testing and Analysis",
issn = "1942-7603",
publisher = "John Wiley & Sons Ltd.",
}