Dial access libraries: Their use and utility.
D003365:Costs and Cost Analysis; D004502:Education, Medical, Continuing; D004509:Education, Nursing, Continuing; D004632:Emergency Medical Services; D005069:Evaluation Studies as Topic; D006801:Humans; D007255:Information Services; D007993:Libraries, Medical / Q000706:statistics & numerical data*; D010347:Patient Care Planning / Q000592:standards; D012041:Regional Medical Programs; D012621:Seasons; D013223:Statistics as Topic; D013637:Tape Recording; D013689:Telephone