00348nas a2200133   4500000000100000008004100001260004400042100001600086245005100102300001500153490000800168050002000176020001800196       2006                            d  bUniversity of Groningen (NL)aGroningen1 aStienstra Y00aMycobacterium ulcerans disease in West Africa.  ax, 244 p. 0 vPhD  aStiensta 2006 t  a90-367-2499-6