title: PKA contamination of immunoglobulin G.
mesh_terms: D004340:Drug Contamination; D005174:Factor XII / Q000009:adverse effects / Q000032:analysis*; D015956:Factor XIIa; D006801:Humans; D007074:Immunoglobulin G / Q000032:analysis*; D010446:Peptide Fragments / Q000009:adverse effects / Q000032:analysis*
chemical_list: D007074:Immunoglobulin G; D010446:Peptide Fragments; D005174:Factor XII; D015956:Factor XIIa