TY - JOUR T1 - The Croonian Lecture. Microscopical Observations on the following Subjects. On the Brain and Nerves; Showing That the Materials of Which They Are Composed Exist in the Blood. On the Discovery of Valves in the Branches of the Vas Breve, Lying between the Villous and Muscular Coats of the Stomach. On the Structure of the Spleen. JF - Abstracts of the Papers Printed in the Philosophical Transactions of the Royal Society of London (1800-1843) VL - 2 SP - 137 EP - 138 PY - 1815/01/01/ UR - http://dx.doi.org/10.1098/rspl.1815.0141 M3 - doi:10.1098/rspl.1815.0141 AU - Home, E. ER -