Ian Osterloh is a British clinical researcher for Pfizer, Inc. who led the development of sildenafil citrate (Viagra), as well as a number of Pfizer medications for cardiovascular disease.[1]

References

  1. ↑ Roberts, William; Roberts, William Clifford (2000). Facts and Ideas from Anywhere. Wiley-Blackwell. p. 103. ISBN 978-0-87993-463-7. Retrieved 26 September 2010.


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