TY - GEN AU - Sykes,M T AU - Coggeshall,R E TI - Unmyelinated fibers in the human L4 and L5 ventral roots SN - 0006-8993 PY - 1974///0222 KW - Axons KW - cytology KW - Humans KW - Lumbosacral Region KW - Microscopy, Electron KW - Schwann Cells KW - Spinal Nerve Roots N1 - Publication Type: Journal Article UR - https://doi.org/10.1016/0006-8993(73)90130-3 ER -