Παραπομπή APA

Thies-Lagergren, L., Kvist, L. J., Christensson, K., & Hildingsson, I. (2011). No reduction in instrumental vaginal births and no increased risk for adverse perineal outcome in nulliparous women giving birth on a birth seat: Results of a Swedish randomized controlled trial. BioMed Central.

Παραπομπή Chicago Style

Thies-Lagergren, Li, Linda J. Kvist, Kyllike Christensson, και Ingegerd Hildingsson. No Reduction in Instrumental Vaginal Births and No Increased Risk for Adverse Perineal Outcome in Nulliparous Women Giving Birth On a Birth Seat: Results of a Swedish Randomized Controlled Trial. BioMed Central, 2011.

Παραπομπή MLA

Thies-Lagergren, Li, Linda J. Kvist, Kyllike Christensson, και Ingegerd Hildingsson. No Reduction in Instrumental Vaginal Births and No Increased Risk for Adverse Perineal Outcome in Nulliparous Women Giving Birth On a Birth Seat: Results of a Swedish Randomized Controlled Trial. BioMed Central, 2011.

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