Given the task definition and input, reply with output. Given an abstract of a paper, generate a title for this paper such that conveys the key focus of the paper.

Abstract: Two cases of fatal overdose with morphine are presented. Large amounts of the drug were involved in both cases, one by oral ingestion, the other by intravenous injection. Morphine concentrations in various body fluids and tissues are compared to those in the literature.
Distribution of morphine in body fluids and tissues in fatal overdose.