Influence of conception and delivery mode on stress response marker Oct4B1 and imprinted gene expression related to embryo development: A cohort study oleh Maria Argyraki, Socrates Katafigiotis, Theofanis Vavilis, Zoe Papadopoulou, Giorgos Tzimagiorgis, Anna-Bettina Haidich, Katerina Chatzimeletiou, Grigoris Grimbizis, Basil Tarlatzis, Maria Syrrou, Alexandros Lambropoulos