00363nas a2200169   4500000000100000008004100001653001600042653001200058653001100070653001400081100001300095700001200108245004300120300000900163490000800172050001300180       1969                            d10aNetherlands10aHistory10aHansen10adiagnosis1 aBoon J G1 aBye J H00aMorbus Hansen, een moeilijke diagnose?  a7 p.0 v113  aBOON1969