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Two cases of cervical pregnancy.
THOMSEN M, JOHANSEN F. THOMSEN M, et al. Acta Obstet Gynecol Scand. 1961;40:99-115. doi: 10.3109/00016346109157852. Acta Obstet Gynecol Scand. 1961. PMID: 13776636 No abstract available.
Seroprevalence of antibodies against SARS-CoV-2 in the adult population during the pre-vaccination period, Norway, winter 2020/21.
Anda EE, Braaten T, Borch KB, Nøst TH, Chen SLF, Lukic M, Lund E, Forland F, Leon DA, Winje BA, Kran AB, Kalager M, Johansen FL, Sandanger TM. Anda EE, et al. Among authors: johansen fl. Euro Surveill. 2022 Mar;27(13):2100376. doi: 10.2807/1560-7917.ES.2022.27.13.2100376. Euro Surveill. 2022. PMID: 35362405 Free PMC article.