TY - RPRT TI - Retraction system for transsphenoidal surgery. Technical note. AU - S Kobayashi AU - K Sugita AU - T Takemae AU - Y Tanizaki PY - 1985 DO - 10.3171/jns.1985.62.2.0307 UR - https://pubmed.ncbi.nlm.nih.gov/3968572/ ID - 3968572 ER -