00419nas a2200169   4500000000100000008004100001260001300042653001100055653001200066653001600078100001900094700001600113700001400129245008800143300001100231490000700242       1956                            d  c1956 Apr10aHumans10aleprosy10aProbability1 aDE ALMEIDA A P1 aDE LYRA O A1 aSILVA J R00a[Epidemiological considerations of chance contact in the dissemination of leprosy].  a137-460 v16