title: Changes in the use of emergency services.
authors: University of Texas Health Science Center at Houston, School of Nursing, Houston, Texas, USA.
authors: Janice Yoder
authors: JY
authors: St Martin
authors: Frank
authors: F
authors: Cole
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D000369:Aged, 80 and over; D002648:Child; D002675:Child, Preschool; D004636:Emergency Service, Hospital / Q000706:statistics & numerical data*; D005260:Female; D006285:Health Planning; D006302:Health Services Research; D006764:Hospitals, Community / Q000706:statistics & numerical data; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D007348:Insurance, Health / Q000706:statistics & numerical data; D008297:Male; D008389:Marketing of Health Services; D008875:Middle Aged; D020380:Needs Assessment; D013781:Texas