Ref. NC-RB~BS Tune 4, 1952

Dr. 4,B, Andervont
ational Cancer Institute
Bethesda 14. a4,

Svar Dr. Andervent:

Thank you for the generous shipmentsof your reprints on the milk agent.
A few which would be duplicate are returned herewith.

Can you give me a citation for your review "The present status of the
mammary tuar inciter problem"? I am finishing a review on Symbiosis and Cellular
Genetics and would like to refer to a general article such ag this.

Sincerely,

Joshua Lederberg