00524nas a2200229   4500000000100000008004100001260001600042653001200058653002900070653001600099653002100115653001100136653002600147653001800173653001200191653001700203100001200220245003000232300001000262490000800272022001400280       1994                            d  c1994 Apr 2210aAnimals10aClinical Trials as Topic10aHepatitis B10aHerpes Genitalis10aHumans10aImmunotherapy, Active10aLeishmaniasis10aleprosy10aTuberculosis1 aCohen J00aVaccines get a new twist.  a503-50 v264  a0036-8075