TY - JOUR T1 - On the Changes in Pepsin-Forming Glands during Secretion JF - Proceedings of the Royal Society of London (1854-1905) VL - 29 SP - 383 EP - 388 PY - 1879/01/01/ UR - http://dx.doi.org/10.1098/rspl.1879.0064 M3 - doi:10.1098/rspl.1879.0064 AU - Langley, J. AU - Sewall, H. ER -