00817nas a2200349 4500000000100000008004100001260001300042653001000055653001600065653001000081653001000091653001100101653001100112653001000123653001000133653001200143653000900155653001600164653001200180653001100192653002800203653000900231653001700240653001800257653001400275100001500289245011700304300001000421490000700431050001500438022001400453 1985 d c1985 Dec10aAdult10aAge Factors10aChild10aChina10aFemale10aHumans10aIndia10aJapan10aleprosy10aMale10aMiddle Aged10aNigeria10aNorway10aPopulation Surveillance10aRisk10aTime Factors10aUnited States10aVenezuela1 aIrgens L M00aSecular trends in leprosy: increase in age at onset associated with declining rates and long incubation periods. a610-70 v53 aIRGENS1985 a0148-916X