by den Velde, W O, Hovens, J E, Bramsen, I, McFarlane, A C, Aarts, P G, Falger, P R, de Groen, J H, van Duijn, H
Published in Australian and New Zealand journal of psychiatry (01.12.2000)

by den Velde, W O, Stam, F C
Published in British journal of psychiatry (01.03.1973)

by Hovens, J E, Op den Velde, W, Falger, P R, de Groen, J H, van Duijn, H, Aarts, P G
Published in Psychological reports (01.06.1998)

by Hovens, J E, Falger, P R, Op den Velde, W, De Groen, J H, Van Duijn, H
Published in Psychological reports (01.02.1994)

by Hovens, Johan E., Falger, Paul R.J., Op Den Velde, Wybrand, Schouten, Erik G.W., De Groen, Johan H.M., van Duijn, Hans
Published in Journal of anxiety disorders (1992)

by Op den Velde, W, Stam, F C
Published in Journal of the American Geriatrics Society (JAGS) (01.01.1976)

by Op den Velde, W, Hovens, J E, Aarts, P G, Frey-Wouters, E, Falger, P R, Van Duijn, H, De Groen, J H
Published in Psychological reports (01.04.1996)