![The Chromaffine System of Annelids and the Relation of this System to the Contractile Vascular System in the Leech, Hirudo medicinalis. A Contribution to the Comparative Physiology of the Contractile Vascular System and Its Regulators, the Adrenalin Secreting System and the Sympathetic Nervous System]()
The Chromaffine System of Annelids and the Relation of this System to the Contractile Vascular System in the Leech, Hirudo medicinalis. A Contribution to the Comparative Physiology of the Contractile Vascular System and Its Regulators, the Adrenalin Secreting System and the Sympathetic Nervous SystemGaskell, J. F. · Philosophical Transactions of the Royal Society B: Biological Sciences · 1914