• Al-Bassam MA, Thomson RG, O'Donnell L, 1981: Involution abnormalities in the postpartum uterus of the bitch. Vet Pathol 18, 201218.
  • Beck AM, McEntee K, 1966: Subinvolution of placental sites in a post partum bitch. A case report. Cornell Vet 56, 269277.
  • Bilban M, Ghaffari-Tabrizi N, Hintermann E, Bauer S, Molzer S, Zoratti C, Malli R, Sharabi A, Hiden U, Graier W, Knöfler M, Andeae F, Wagner O, Quaranta V, Desoye G, 2004: Kisspeptin-10, a KiSS-1/metastatin-derived decapeptide, is a physiological invasion inhibitor of primary human trophoblasts. J Cell Sci 117, 13191328.
  • Goni R, García P, Foissac S, 2009: The qPCR data statistical analysis. Integromics White Paper, 1-9.
  • Lash GE, Cartwright JE, Whitley GS, Trew AJ, Baker PN, 1999: The effects of angiogenic growth factors on extravillous trophoblast invasion and motility. Placenta 20, 661667.
  • Lee KJ, Shim SH, Kang KM, Kang JH, Park DY, Kim SH, Farina A, Shim SS, Cha DH, 2010: Global gene expression changes induced in the human placenta during labor. Placenta 31, 698704.
  • Lei H, Furth EE, Kalluri R, Chiou T, Tilly KI, Tilly JL, Elkon KB, Jeffrey JJ, Strauss JF III, 1996: A program of cell death and extracellular matrix degradation is activated in the amnion before the onset of labor. J Clin Invest 98, 19711978.
  • Librach CL, Web Z, Fitzgerald ML, Chiu K, Corwin NM, Esteves RA, Grobelny D, Galardy R, Damsky CH, Fisher SJ, 1991: 92-kD type IV collagenase mediates invasion of human cytotrophoblasts. J Cell Biol 113, 437449.
  • Maj JG, Kankofer M, 1997: Activity of 72-kDa and 92-kDa matrix metalloproteinases in placental tissues of cows with and without retained fetal membranes. Placenta 18, 683687.
  • Torricelli M, Galleri L, Voltolini C, Biliotti G, Florio P, De Bonis M, Petraglia F, 2008: Changes of placental Kiss-1 mRNA expression and maternal/cord kisspeptin levels at preterm delivery. Reprod Sci 15, 779784.
  • Wallace MS, 1994: Management of parturition and problems of the periparturient period of dogs and cats. Semin in Vet Med Surg (Small Anim) 9, 2837.
  • Walter I, Boos A, 2001: Matrix metalloproteinases (MMP-2 and MMP-9) and tissue inhibitor-2 of matrix metalloproteinases (TIMP-2) in the placenta and interplacental uterine wall in normal cows and in cattle with retention of fetal membranes. Placenta 22, 473483.
  • Xu P, Alfaidy N, Challis JRG, 2002: Expression of matrix metalloproteinase (MMP)-2 and MMP-9 in human placenta and fetal membranes in relation to preterm and term labor. J Clin Endocrinol Metabol 87, 13531361.
  • Zhang H, Long Q, Ling L, Gao A, Li H, Lin Q, 2011: Elevated expression of KiSS-1 in placenta of preeclampsia and its effect on trophoblast. Reprod Biol 11, 99115.