TY  - JOUR
T1  - On the Rhythm of the Heart of the Frog, and on the Nature of the Action of the Vagus Nerve. 
JF  - Proceedings of the Royal Society of London (1854-1905)
VL  - 33
SP  - 199
EP  - 203
PY  - 1881/01/01/
UR  - http://dx.doi.org/10.1098/rspl.1881.0092
M3  - doi:10.1098/rspl.1881.0092
AU  - Gaskell, W.
ER  -