San Francisco cancer survey
Subtitle: sixth preliminary report (thirteenth, fourteenth, fifteenth and sixteenth quarterly reports)
By: Hoffman.
Contributors: John Hancock Mutual Life Insurance Company.
Publisher: Prudential Press
Published: 1931
Place of publication: [Newark, N.J
Language: eng
Number of pages: 195
Subjects: Cancer.
Notes: "Conducted under the auspices of the John Hancock Mutual Life Insurance Company, and the Prudential Insurance Company of America."