TY - JOUR T1 - Studies on Enzyme Action. XV.-Urease: A Selective Enzyme JF - Proceedings of the Royal Society of London. Series B, Containing Papers of a Biological Character (1905-1934) VL - 85 IS - 577 SP - 109 EP - 127 PY - 1912/05/09/ UR - http://dx.doi.org/10.1098/rspb.1912.0032 M3 - doi:10.1098/rspb.1912.0032 AU - Armstrong, H. AU - Horton, E. ER -