title: Letter: High-dose penicillin and bleeding.
mesh_terms: D004438:Ecchymosis / Q000139:chemically induced*; D006801:Humans; D008875:Middle Aged; D010400:Penicillin G / Q000008:administration & dosage / Q000009:adverse effects* / Q000627:therapeutic use; D018805:Sepsis / Q000188:drug therapy
chemical_list: D010400:Penicillin G