Paul Francis Wehrle (18 December 1921–11 May 2004) was a researcher and physician who helped develop of methods to prevent and treat polio and smallpox.
Paul Francis Wehrle (18 December 1921–11 May 2004) was a researcher and physician who helped develop of methods to prevent and treat polio and smallpox. (en)
Paul Francis Wehrle (18 December 1921–11 May 2004) was a researcher and physician who helped develop of methods to prevent and treat polio and smallpox. (en)