00516nas a2200193   4500000000100000008004100001260001700042653001600059653001100075653001200086653002400098653001600122100001700138700001600155245012000171300001000291490000700301022001400308       1956                            d  c1956 Jan-Jun10aBCG Vaccine10aHumans10aleprosy10aMycobacterium bovis10aVaccination1 aBechelli L M1 aQUAGLIATO R00a[Initial epidemiological data on the possible preventive action of oral BCG in close contacts of leprosy patients].  a23-360 v24  a0034-7248