Does anyone know a good reference for detection times of other substances, primarily oxycodone and methadone?

I've seen some info at Erowid, but obviously some of this information is out of date and conflicts with other info I've seen.
lampost Reviewed by lampost on . Info for detection times of other substances in BLOOD/URINE?? Does anyone know a good reference for detection times of other substances, primarily oxycodone and methadone? I've seen some info at Erowid, but obviously some of this information is out of date and conflicts with other info I've seen. Rating: 5