Assessment of the solid-state composition of an active salicylanilide compound by FT-Raman spectroscopy - De Spiegeleer, B.; Baert, B.; Diericx, N.; Seghers, D.; Verpoort, F.; Van Vooren, L.; Burvenich, C.; Slegers, G. (Journal of Pharmaceutical & Biomedical Analysis, 2007)