TY - RPRT TI - The three-port microcannular system for closed vitrectomy. AU - R Machemer AU - D Hickingbotham PY - 1985 DO - 10.1016/0002-9394(85)90687-7 UR - https://pubmed.ncbi.nlm.nih.gov/4050933/ ID - 4050933 ER -