TY - GEN AU - Burgess,F W AU - Woiwood,M D AU - Lutz,R L AU - Walz,E J AU - Perkins,D E TI - Continuous spinal anesthesia with hyperbaric bupivacaine: a dose-response analysis SN - 0146-521X PY - 1991///0501 KW - Aged KW - Aged, 80 and over KW - Anesthesia, Spinal KW - methods KW - Bupivacaine KW - administration & dosage KW - Dose-Response Relationship, Drug KW - Double-Blind Method KW - Humans KW - Male KW - Middle Aged KW - Models, Anatomic KW - Random Allocation KW - Regression Analysis KW - Specific Gravity KW - Spinal Canal KW - anatomy & histology N1 - Publication Type: Clinical Trial; Journal Article; Randomized Controlled Trial ER -