Authors: Koopman, RJJ

Citation: Rjj. Koopman, Concept of twin spotting, AM J MED G, 85(4), 1999, pp. 355-358

Authors: Persoons, JHA Sutorius, FJM Koopman, RJJ Schaafsma, MR van Doorn, GA

Citation: Jha. Persoons et al., Vulvar paraneoplastic amyloidosis with the appearance of a vulvar carcinoma, AM J OBST G, 180(4), 1999, pp. 1041-1044