[Trends in x-ray examination frequency--film utilization in diagnostic radiology].
Angerstein
Wilfried
W
Dr.WilfriedAngerstein@t-online.de
D005544:Forecasting; D005858:Germany; D006801:Humans; D011856:Radiographic Image Enhancement / Q000639:trends; D011859:Radiography / Q000706:statistics & numerical data* / Q000639:trends*; D014600:Utilization Review / Q000639:trends; D014962:X-Ray Film / Q000706:statistics & numerical data* / Q000639:trends*