Vital statistics rates in the United States 1940-1960 /

• Main Author: Grove, Robert D. (συγγραφέας)
• Other Authors: Hetzel, Alice M. (συγγραφέας)
• Format: Book
• Language: English
• Published: Washington : U.S. Department of Health, Education and Welfare, 1968.
• Subjects: Στατιστική; Πληθυσμός