00670nas a2200229   4500000000100000008004100001260001700042653001200059653003100071653001800102653001200120653000900132653001800141653000900159653002000168653001700188100001500205245019000220300000900410490000700419022001400426       1969                            d  c1969 Jan-Mar10aAnimals10aBacteriological Techniques10aFreeze Drying10aleprosy10aMice10aMycobacterium10aRats10aRodent Diseases10aTime Factors1 aNakamura M00aMaintenance of infectivity of M. lepraemurium in vitro for sixteen years by means of lyophilization. Determination by bacteriologic and morphologic observation of the infecting bacilli.  a64-70 v37  a0148-916X