TY - BOOK AU - Peter Nau AU - Eric M. Pauli AU - Bryan J. Sandler AU - Thadeus L. Trus TI - The SAGES Manual of Flexible Endoscopy SN - 9783030235901 PB - Springer International Publishing N1 - Online Resources UR - https://doi.org/10.1007/978-3-030-23590-1 ER -