European fingerprint study on omeprazole drug substances using a multi analytical approach and chemometrics as a tool for the discrimination of manufacturing sources - Rebiere, H.; Grange, Y.; Deconinck, E.; Courselle, P.; Acevska, J.; Brezovska, K.; Maurin, J.; Rundlöf, T.; Portela, M.J.; Olsen, L.S.; Offerlé, C.; Bertrand, M. (Elsevier BV, 2022)