Letter: Commercial immunodiffusion plates.
D005069:Evaluation Studies as Topic; D006801:Humans; D005779:Immunodiffusion / Q000592:standards*; D007070:Immunoglobulin A / Q000032:analysis; D007074:Immunoglobulin G / Q000032:analysis; D007075:Immunoglobulin M / Q000032:analysis; D008722:Methods
D007070:Immunoglobulin A; D007074:Immunoglobulin G; D007075:Immunoglobulin M