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[Social class and birth weight].
Nødtvedt AM, Jacobsen G, Balstad P, Bakketeig LS. Nødtvedt AM, et al. Among authors: balstad p. Tidsskr Nor Laegeforen. 1999 Dec 10;119(30):4455-9. Tidsskr Nor Laegeforen. 1999. PMID: 10827483 Norwegian.
Occurrence of injuries in a defined population.
Sahlin Y, Stene TM, Lereim I, Balstad P. Sahlin Y, et al. Among authors: balstad p. Injury. 1990 May;21(3):155-7. doi: 10.1016/0020-1383(90)90084-8. Injury. 1990. PMID: 2401546
[The influence of the moon on deliveries].
Backe B, Hammervold R, Buhaug H, Balstad P, Myrhaug K. Backe B, et al. Among authors: balstad p. Tidsskr Nor Laegeforen. 1988 Dec 10;108(34-36):3183-5. Tidsskr Nor Laegeforen. 1988. PMID: 3201455 Norwegian. No abstract available.
Diagnostic ultrasound in pregnancy.
Bakketeig LS, Eik-Nes SH, Jacobsen G, Ulstein MK, Brodtkorb CJ, Balstad P, Ericksen BC, Jörgensen NP. Bakketeig LS, et al. Among authors: balstad p. Lancet. 1984 Sep 29;2(8405):744. doi: 10.1016/s0140-6736(84)92641-2. Lancet. 1984. PMID: 6148485 No abstract available.
Randomised controlled trial of ultrasonographic screening in pregnancy.
Bakketeig LS, Eik-Nes SH, Jacobsen G, Ulstein MK, Brodtkorb CJ, Balstad P, Eriksen BC, Jörgensen NP. Bakketeig LS, et al. Among authors: balstad p. Lancet. 1984 Jul 28;2(8396):207-11. doi: 10.1016/s0140-6736(84)90492-6. Lancet. 1984. PMID: 6146762 Clinical Trial.