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F. Hoffmann ASSProtokoll. Laborjournal Felix Hoffmann Blatt Bayer zur ersten ASSHerstellung am VIII Felix Hoffmann Januar in Ludwigsburg Februar in Lausanne scan from BayerHealthcare Pharmazie in unserer Zeit Bayer PDold Literaturangabe Kraut Ueber Salicylverbindungen In org page Annalen der Chemie und Pharmacie und zwar