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Consequences of IVF among women: 10 years post-treatment.
Sundby J, Schmidt L, Heldaas K, Bugge S, Tanbo T. Sundby J, et al. Among authors: heldaas k. J Psychosom Obstet Gynaecol. 2007 Jun;28(2):115-20. doi: 10.1080/01674820701447447. J Psychosom Obstet Gynaecol. 2007. PMID: 17538819
Surveillance of pregnancies as a means of detecting environmental and occupational hazards. I. Spontaneous abortions, congenital malformations and cytogenetic abnormalities in a newborn population.
Hansteen IL, Heldaas SS, Langård S, Steen-Johnsen J, Christensen A, Heldaas K. Hansteen IL, et al. Among authors: heldaas k. Hereditas. 1987;107(2):197-203. doi: 10.1111/j.1601-5223.1987.tb00285.x. Hereditas. 1987. PMID: 3436831 Free article. No abstract available.
[Female sterilization with silicone tubal rings].
Heldaas K, Jerve F. Heldaas K, et al. Tidsskr Nor Laegeforen. 1983 Nov 10;103(31):2110-2. Tidsskr Nor Laegeforen. 1983. PMID: 6658736 Norwegian. No abstract available.