TY - RPRT TI - Double-clad fiber for endoscopy. AU - D Yelin AU - B E Bouma AU - S H Yun AU - G J Tearney PY - 2004 DO - 10.1364/ol.29.002408 UR - https://pubmed.ncbi.nlm.nih.gov/15532282/ ID - 15532282 ER -