Brown, Morton L., <br/><br/>
Medical x-ray visits and examinations during pregnancy :  United States 1963  / 
Morton L. Brown, Arne B. Nelson. 
 - 1 online resource (iii, [1], 41 pages) :  illustrations, forms. 
 - Vital and health statistics. Series 22, Data from the national vital statistics system ;  number 5 Public Health Service publication ;  no. 1000-series 22-no. 5 .
 - Public Health Service publication ;  no. 1000. Vital and health statistics.  Series 22,  Data from the national vital statistics system ;  no. 5. .
<br/><br/> "Statistics on the number of medical x-ray visits and examinations during pregnancy for women having a live birth, by selected demographic characteristics of the women by trimester, previous pregnancy experience and type of examination, and by type of facility. Based on data collected in a survey of physicians and hospitals providing care to a sample of women having a live birth in 1963."  "June 1968."  CRDP Program record. 
<br/><br/>Includes bibliographical references (page 11). 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Radiography in obstetrics--United States--Statistics.<br/>Childbirth--United States--Statistics.<br/>Radiography in obstetrics.
<br/><br/><label>Subjects--Geographic Terms: </label><br/>United States--Statistics, Medical.<br/>United States.
<br/><br/><label>Index Terms--Genre/Form: </label><br/>Statistics.<br/>Statistics--Medical.<br/>Statistics.
<br/><br/><label>GPO Item No.: </label>0500-E (online) 
<br/><br/><label>Gov. Doc. Class. No.: </label>FS 2.85/2:22/NO.5