https://www.selleckchem.com/products/GDC-0449.html
We aimed to evaluate the effectiveness of a single institution's hand surgery clinical care guidelines at preventing the transmission of COVID-19. This is an anonymous survey study distributed to all employees within the division of hand surgery at a single quaternary-care academic medical facility. The primary outcome measure was the result of their employee surveillance and/or symptom initiated COVID-19 antibody (prior transmission) or polymerase chain reaction test (active infection) after institution of a COVID-19 exposure and tran