1. A long‐time stability study of 50 drug substances representing common drug classes of pharmaceutical use. Issue 7 (2nd May 2019) Authors: Zilker, Markus; Sörgel, Fritz; Holzgrabe, Ulrike Journal: Drug testing and analysis Issue: Volume 11:Issue 7(2019) Page Start: 1065 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗