| Easson_1933_Biochem.J_27_1257 | Studies on the relationship between chemical constitution and physiological action: Molecular dissymmetry and physiological activity. |
| Dale_1933_Science_77_521 | Academic and industrial research in the field of therapeutics |
| Dudley_1933_J.Physiol_79_249 | The alleged occurrence of acetylcholine in ox blood |
| Ammon_1933_Pflugers.Arch.Gesamte.Physiol.Menschen.Tiere_233_486 | Die fermentative Spaltung des Acetylcholins |
| Chang_1933_J.Physiol_79_255 | Choline esters in tissue extracts |