Seasonal variation of births, United States, 1933-63
By: [by Harry M. Rosenberg]
Series: Public Health Service publication; no. 1000, ser. 21, no. 9
Publisher: U.S. Dept. of Health, Education, and Welfare, Public Health Service; [for sale by the Superintendent of Documents, U.S. Govt. Print. Off.]
Published: 1966
Place of publication: Washington
Language: eng
Number of pages: 59
Subjects: United States -- Statistics, Vital.
Notes: Bibliography: p. 18.