%0 Journal Article %K Adult %K Age Factors %K Child %K China %K Female %K Humans %K India %K Japan %K leprosy %K Male %K Middle Aged %K Nigeria %K Norway %K Population Surveillance %K Risk %K Time Factors %K United States %K Venezuela %B International journal of leprosy and other mycobacterial diseases : official organ of the International Leprosy Association %D 1985 %G eng %L IRGENS1985 %N 4 %P 610-7 %T Secular trends in leprosy: increase in age at onset associated with declining rates and long incubation periods. %V 53 %1 http://www.ncbi.nlm.nih.gov/pubmed/4086921?dopt=Abstract %8 1985 Dec