Health in California : California health survey.

  • California. Department of Public Health.
Date:
[1957]
Catalogue details

Licence: Public Domain Mark

Credit: Health in California : California health survey. Source: Wellcome Collection.

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    APPENDICES A Questionnaire B Definition of Terms C Method of Rounding Estimates and Measures Used D Group Coding of Four Digit ISC Code E Tables 70 77 79 82