Similar response of adrenocorticotrophic hormone, cortisol and prolactin to surgery in rheumatoid arthritis and osteoarthritis - Eijsbouts, A; van den Hoogen, F; Laan, R; de Waal Malefijt, M; Hermus, A; Sweep, C; de Rooij, D J; van de Putte, L (Br J Rheumatol, 1998)