RT Journal Article SR Electronic T1 Clinical Comparative Study of Two Peribulbar Blockade Techniques for Ophthalmic Surgery JF Regional Anesthesia: The Journal of Neural Blockade in Obstetrics, Surgery, & Pain Control JO Reg Anesth Pain Med FD BMJ Publishing Group Ltd SP 30 OP 30 DO 10.1136/rapm-00115550-199318011-00029 VO 18 IS Suppl 1 A1 Masami Katayama A1 Sandra Maria M. da Silva A1 João Lopes Vieira YR 1993 UL http://rapm.bmj.com/content/18/Suppl_1/30.abstract AB