Authors: Bruijnzeels, MA

Citation: Ma. Bruijnzeels, Use of health services by children - Different data collection methods canlead to different findings, BR MED J, 318(7187), 1999, pp. 876-877

Authors: van der Wouden, JC van der Pas, P Bruijnzeels, MA Brienen, JA van Suijlekom-Smit, LWA

Citation: Jc. Van Der Wouden et al., Headache in children in Dutch general practice, CEPHALALGIA, 19(3), 1999, pp. 147-150