title: [Spontaneous retroperitoneal hemorrhage and anticoagulant treatment: presentation of 4 cases and review of the literature].
mesh_terms: D000074:Acenocoumarol / Q000009:adverse effects; D000368:Aged; D000925:Anticoagulants / Q000009:adverse effects*; D006470:Hemorrhage / Q000139:chemically induced* / Q000175:diagnosis / Q000628:therapy; D006493:Heparin / Q000009:adverse effects; D006801:Humans; D008297:Male; D008875:Middle Aged; D012187:Retroperitoneal Space; D014812:Vitamin K / Q000037:antagonists & inhibitors
chemical_list: D000925:Anticoagulants; D014812:Vitamin K; D006493:Heparin; D000074:Acenocoumarol
vernacular_title: Hemorragia retroperitoneal espontánea y tratamiento anticoagulante: presentación de cuatro casos y revisión de la literatura.