title: THE SPY WHO CAME IN WITH A COLD.
mesh_terms: D004739:England; D006801:Humans; D010361:Patients; D010820:Physicians; D011166:Porphyrins
chemical_list: D011166:Porphyrins; C405103:chlorin e6 triacetoxymethyl ester
keywords: ENGLAND; PATIENTS; PHYSICIANS