A method for estimating the potency of smallpox vaccine
By: by John N. Force and James P. Leake.  The immunological relationship of alastrim and mild smallpox / by James P. Leake and John N. Force.
Contributors: Leake, James P. 1881-1973.; Hygienic Laboratory (U.S.)
Series: Bulletin / Hygienic Laboratory -- no. 149; Bulletin of the Hygienic Laboratory -- no. 149.
Publisher: U.S. G.P.O.
Published: 1927
Place of publication: Washington
Language: eng
Number of pages: 64
Subjects: Smallpox vaccine.; Alastrim.; Smallpox.
Other titles: Immunological relationship of alastrim and mild smallpox.
Notes: "April, 1927"

Bibliography: p. 64.