Authors: Portier, EJG de Blok, K Butter, JJ van Boxtel, CJ

Citation: Ejg. Portier et al., Simultaneous determination of fentanyl and midazolam using high-performance liquid chromatography with ultraviolet detection, J CHROMAT B, 723(1-2), 1999, pp. 313-318

Authors: de Blok, K Weening, JJ

Citation: K. De Blok et Jj. Weening, Interstitial nephritis and nephrotic syndrome in a patient from Zambia, NEPH DIAL T, 14(4), 1999, pp. 1016-1017