1993b-117 1996i-189 cc9300 clinicallaboratorytechniques diagnosis disease downsyndrome drugs emergencies emergencymedicine etc ethics handbooks healthpolicy laboratory laboratorytechniquesandprocedures manuals medical methods nurses'instruction nursing nursingdiagnosis physicalexamination politics prenataldiagnosis qy39f911e1989 radioscopic reactivity referencevalues(medicine) routine self-examination testing wb39d53591996