TY - JOUR T1 - On the Origin from the Spinal Cord of the Cervical and Upper Thoracic Sympathetic Fibres, with Some Observations on White and Grey Rami Communicantes. JF - Proceedings of the Royal Society of London (1854-1905) VL - 50 SP - 446 EP - 448 PY - 1891/01/01/ UR - http://dx.doi.org/10.1098/rspl.1891.0057 M3 - doi:10.1098/rspl.1891.0057 AU - Langley, J. ER -