The clinical and pharmacological history of theophylline: first report on the bronchospasmolytic action in man by S. R. Hirsch in Frankfurt (Main) 1922

Authors


G. Schultze-Werninghaus. Klinikum der Inneren Medizin. Abteilung für Pneumologie. Theodor-Stern-Kai 7, 6000 Frankfurt 70.

Ancillary