H. G. van der Velden

发表

C. van Weel, A. Deutman, H. V. D. van den Hoogen, 1990, Scandinavian journal of primary health care.

G. Rutten, J. V. van Eijk, M. Beek, 1991, The British journal of general practice : the journal of the Royal College of General Practitioners.

G. Bleijenberg, A. M. van Dulmen, H. Mokkink, 1994, Journal of psychosomatic research.