1. Weest niet absurd ... Het Bayer product aspirin kent zÿns gelÿke niet! [graphic] Published / Created: [between 1940 and 1960] Call Number: Poster0126 Image Count: 1 Resource Type: still image Found in: Medical Historical Library, Cushing/Whitney Medical Library > Weest niet absurd ... Het Bayer product aspirin kent zÿns gelÿke niet! [graphic]