00560nas a2200229   4500000000100000008004100001260001300042653003900055653002000094653002100114653001100135653001200146653002600158653000900184653002200193653001800215653003000233245003600263300001000299490000700309022001400316       1987                            d  c1987 Jun10aAcquired Immunodeficiency Syndrome10aCross Infection10aHealth Workforce10aHumans10aleprosy10aOccupational Diseases10aSkin10aSpecimen Handling10aSterilization10aWorld Health Organization00aWHO guidelines for skin smears.  a421-20 v52  a0148-916X