00520nas a2200217   4500000000100000008004100001260001300042653001300055653002300068653001400091653001300105653001200118653001500130100001700145700001600162700001600178245007800194300000900272490000700281022001400288       1970                            d  c1970 Aug10aAntigens10aChemical Phenomena10aChemistry10aLepromin10aleprosy10aSkin Tests1 aKhasabov L M1 aAlimova E K1 aBolgova G D00a[Some data on the chemical nature of lepromin used in clinical practice].  a60-40 v44  a0042-4609