[Ultrasonography in primary health care--new technology of increasing use].
Laerum
F
F
Rikshospitalet 0027 Oslo. frode.larum@klinmed.uio.no
Mørland
B
B
D005194:Family Practice / Q000639:trends*; D006801:Humans; D011320:Primary Health Care / Q000639:trends*; D014463:Ultrasonography / Q000379:methods* / Q000592:standards / Q000706:statistics & numerical data