title: Anticoagulation and retroperitoneal haematoma.
mesh_terms: D000368:Aged; D000925:Anticoagulants / Q000009:adverse effects*; D001340:Autonomic Nerve Block / Q000009:adverse effects; D005260:Female; D006406:Hematoma / Q000139:chemically induced*; D006801:Humans; D008297:Male; D012187:Retroperitoneal Space
chemical_list: D000925:Anticoagulants