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Doctrina Medica. The principles or positions of any medical sect or master. Medicine has been too full of doctrines. One of the first was that of Herodicus of Selivraea, who recommended gymnastic exercises in disease. The chief founders of doctrines have been Hippocrates, Serapion of Alexandria, Philinus of Cos, Herophilus, Asclepiades, Themison of Laodicea, Thessalus of Tralles, Soranus of Ephesus, Leonides of Alexandria, Athenaeus of Attalia, Archigenes of Apamaea, Agathinus of Sparta, Galenus, Paracelsus, John Baptist van Helmont, Sylvius de le Boe, Keill, Hamberger, Pitcairne, H. Boerhaave, J. D. Stahl, Frederick Hoffmann, George Baglivi, Cullen, Darwin, John Brown, Beddoes, Girtanner, Reil, Rush, Rasori, and Broussais.