Geographic patterns and demographic correlates of paramedic runs in San Bernardino, 1977.
D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000368:Aged; D000488:Allied Health Personnel / Q000706:statistics & numerical data*; D002140:California; D003327:Coronary Disease / Q000628:therapy; D004632:Emergency Medical Services / Q000706:statistics & numerical data*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D011156:Population Density; D012737:Sex Factors; D014947:Wounds and Injuries / Q000628:therapy