title: [Spinal anesthesia: significance for the addition of vasoconstrictors].
mesh_terms: D000775:Anesthesia, Spinal / Q000379:methods*; D000779:Anesthetics, Local / Q000494:pharmacology; D000818:Animals; D004837:Epinephrine / Q000009:adverse effects / Q000494:pharmacology*; D006801:Humans; D013346:Subarachnoid Space / Q000187:drug effects*; D014662:Vasoconstrictor Agents / Q000494:pharmacology*
chemical_list: D000779:Anesthetics, Local; D014662:Vasoconstrictor Agents; D004837:Epinephrine