James P Leake wrote the authoritative study on the multiple pressure method of vaccination for smallpox

In 1926, James P. Leake wrote the authoritative study on the multiple pressure method of vaccination for smallpox.

Tags:

Source: U.S. National Library of Medicine
Credit:

Visit News/History Source
LifeScienceHistory.com offers three advertising package options. Each package lnclude at least two digital images for multiple page placements and maximum exposure! Rates range from just $300 to $500 per month.