Netherlands Journal of Medicine
Netherlands Journal of Medicine > 1997 > 50 > 2 > S8-S11
Netherlands Journal of Medicine > 1998 > 53 > 6 > S13-S18
Netherlands Journal of Medicine > 1997 > 50 > 2 > S8-S11
Netherlands Journal of Medicine > 1998 > 53 > 6 > S13-S18