C. Pereira

发表

S. Bergström, António Bugalho, F. Vaz, 1996, British journal of obstetrics and gynaecology.

S. Bergström, C. Mccord, G. Mbaruku, 2011, International journal of gynaecology and obstetrics: the official organ of the International Federation of Gynaecology and Obstetrics.

S. Galea, S. Bergström, F. Vaz, 2007, BJOG : an international journal of obstetrics and gynaecology.

Delanyo Dovlo, S. Bergström, B. McPake, 2015 .