laboratory diagnostic - PT EQA samples - infectious serology - TORCH, vial, unlabeled, 11 analytes: Toxoplasma gondii IgG+IgM, Rubella IgG+IgM, CMV IgG+IgM, Herpes 1/2 IgG+IgM, 1 sample, code L00EQ1051, todylaboratories®