Mature Club Cells (image) Cell Press Share Print E-Mail Caption This is a photograph of mouse respiratory tract (Club) cells derived from cells treated for 4 weeks with Dox. Credit Lily Guo Usage Restrictions Credit Required. Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.