00405nas a2200181   4500000000100000008004100001260001300042653001200055653001100067653001200078653001200090653001100102653002200113245005700135300001000192490000700202022001400209       1969                            d  c1969 Aug10aCholera10aHumans10aleprosy10aMalaria10aTravel10aTropical Medicine00a[What travellers to tropical regions must consider].  a337-80 v23  a0025-8474