https://www.selleckchem.com/pr....oducts/palazestrant.
To reduce the shortage of N95 respirators and surgical masks during the COVID-19 pandemic, stockpiled equipment beyond its expiry date could be released. Centralized testing of batches of expired surgical masks and N95 for safe distribution to hospital departments saving users time. Tests of compliance with health authority directives were developed and carried out on 175 batches of N95 masks and 31 batches of surgical masks from 12 March 2020 to 16 April 2020. Five quality-control tests were performed on batch samples to check pac