title: Pseudoanaphylaxis: two case studies.
mesh_terms: D000042:Absorption; D006801:Humans; D010400:Penicillin G / Q000493:pharmacokinetics*; D010402:Penicillin G Procaine / Q000493:pharmacokinetics*
chemical_list: D010402:Penicillin G Procaine; D010400:Penicillin G