@article{12150, keywords = {Adult, Age Factors, Child, China, Female, Humans, India, Japan, leprosy, Male, Middle Aged, Nigeria, Norway, Population Surveillance, Risk, Time Factors, United States, Venezuela}, author = {Irgens L M}, title = {Secular trends in leprosy: increase in age at onset associated with declining rates and long incubation periods.}, year = {1985}, journal = {International journal of leprosy and other mycobacterial diseases : official organ of the International Leprosy Association}, volume = {53}, pages = {610-7}, month = {1985 Dec}, issn = {0148-916X}, language = {eng}, }