Blar i Norwegian Institute of Public Health Open Repository på forfatter "Bjerkedal, Tor"
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Fødeinstitusjoner i Norge pr. 1. juli 1974 : personell, utstyr og behandlingsmuligheter : endringer siden 1. januar 1972 = Maternity institutions in Norway per 1st July 1974 : personnel, equipment and care facilities : changes since 1st
Bjerkedal, Tor; Bakketeig, Leiv Sigmund; Bergsjø, Per (Research report, 1975) -
Medical registration of births in Norway 1967-68. Some descriptive and analytical aspects
Bjerkedal, Tor; Bakketeig, Leiv Sigmund (Research report, 1972)