title: Experience with a rubella proficiency testing program in New York State, 1971-1974.
mesh_terms: D000914:Antibodies, Viral / Q000032:analysis; D005188:False Negative Reactions; D005189:False Positive Reactions; D006385:Hemagglutination Inhibition Tests; D007753:Laboratories / Q000592:standards; D009518:New York; D012409:Rubella / Q000276:immunology*; D012412:Rubella virus / Q000276:immunology*; D012698:Serologic Tests / Q000592:standards*
chemical_list: D000914:Antibodies, Viral