TY - JOUR AU - Arck, P; Hansen, P J; Mulac Jericevic, B; Piccinni, M P; Szekeres-Bartho, J TI - Progesterone in pregnancy: endocrine-immune cross talk in mammalian species and the role of stress JO - Am J Reprod Immunol VL - 58 PY - 2007 DO - 10.1111/j.1600-0897.2007.00512.x L3 - PubMed-ID: 17681043 SP - 268 EP - 279 ER -