Leahy-Warren, P, Nieuwenhuijze, M, Kaźmierczak, M, Benyamini, Y, Murphy, M, Crespo-Mirasol, E, Spyridou, A, Jónsdóttir, S, Takács, L, Olza, I. The psychological experience of physiological childbirth: a protocol for a systematic review of qualitative studies. International Journal of Childbirth. 2017;7(2):101-109. DOI: 10.1891/2156-5287.7.2.101.
Nekoee, T, Zarei, M, Shen, C. Evaluation the anxiety status of pregnant women in the third trimester of pregnancy and fear of childbirth and related factors. British Journal of Medicine and Medical Research. January 2015;9(12):1-8. DOI: 10.9734/BJMMR/2015/19784.
