[1] Lai LX, Kolber-Simonds D, Park KW, Cheong HT, Greenstein JL, Im GS, Samuel M, Bonk A, Rieke A, Day BN, Murphy CN, Carter DB, Hawley RJ, Prather RS. Production of α-1,3-galactosyltransferase knockout pigs by nuclear transfer cloning. Science, 2002, 295(5557): 1089-1092.
[2] Dai YF, Vaught TD, Boone J, Chen SH, Phelps CJ, Ball S, Monahan JA, Jobst PM, McCreath KJ, Lamborn AE, Cowell-Lucero JL, Wells KD, Colman A, Polejaeva IA, Ayares DL. Targeted disruption of the α1,3-galactosyltransferase gene in cloned pigs. Nat Biotechnol, 2002, 20(3): 251-255.
[3] Lai LX, Kang JX, Li RF, Wang JD, Witt WT, Yong HY, Hao YH, Wax DM, Murphy CN, Rieke A, Samuel M, Lin-ville ML, Korte SW, Evans RW, Starzl TE, Prather RS, Dai YF. Generation of cloned transgenic pigs rich in omega-3 fatty acids. Nat Biotechnol, 2006, 24(4): 435-436.
[4] Park KW, Choi KM, Hong SP, Han GS, Yoo JY, Jin DI, Seol JG, Park CS. Production of transgenic recloned pig-lets harboring the human granulocyte-macrophage colony stimulating factor (hGM-CSF) gene from porcine fetal fibroblasts by nuclear transfer. Theriogenology, 2008, 70(9): 1431-1438.
[5] Vajta G. Handmade cloning: the future way of nuclear transfer? Trends Biotechnol, 2007, 25(6): 250-253.
[6] Vajta G, Lewis IM, Hyttel P, Thouas GA, Trounson AO. Somatic cell cloning without micromanipulators. Cloning, 2001, 3(2): 89-95.
[7] Vajta G, Bartels P, Joubert J, de la Rey M, Treadwell R, Callesen H. Production of a healthy calf by somatic cell nuclear transfer without micromanipulation and carbon dioxide incubators using handmade cloning (HMC) and submarine incubation system (SIS). Theriogenology, 2004, 62(8): 1465-1472.
[8] Vajta G, Kragh PM, Mtango NR, Callesen H. Hand-made cloning approach: potentials and limitations. Reprod Fertil Dev, 2005, 17(1-2): 97-112.
[9] Tecirlioglu RT, French AJ, Lewis IM, Vajta G, Korfiatis NA, Hall VJ, Ruddock NT, Cooney MA, Trounson AO. Birth of a cloned calf derived from a vitrified hand made cloned embryo. Reprod Fertil Dev, 2003, 15(7-8): 361-366.
[10] Kragh PM, Vajta G, Corydon TJ, Purup S, Bolund L, Callesen H. Production of transgenic porcine blastocysts by hand-made cloning. Reprod Fertil Dev, 2004, 16(3): 315-318.
[11] Kragh PM, Du Y, Corydon TJ, Purup S, Bolund L, Vajta G. Efficient in vitro production of porcine blastocysts by handmade cloning with a combined electrical and chemical activation. Theriogenology, 2005, 64(7): 1536-1545.
[12] Du Y, Kragh PM, Zhang X, Purup S, Yang H, Bolund L, Vajta G. High overall in vitro efficiency of por-cine handmade cloning (HMC) combining partial zona digestion and oocyte trisection with sequential culture. Cloning Stem Cells, 2005, 7(3): 199-205.
[13] Du Y, Kragh PM, Zhang Y, Li J, Schmidt M, Bøgh IB, Zhang X, Purup S, Jørgensen AL, Pedersen AM, Villemoes K, Yang H, Bolund L, Vajta G. Piglets born from handmade cloning, an innovative cloning method without micromanipulation. Theriogenology, 2007, 68(8): 1104-1110.
[14] Vajta G, Holm P, Greve T, Callesen H. The submarine incubation system, a novel tool for in vitro embryo culture. Theriogenology, 1997, 48(8): 1379-1385.
[15] Li J, Du Y, Zhang YH, Kragh PM, Purup S, Bolund L, Yang H, Xue QZ, Vajta G. Chemically assisted handmade enucleation of porcine oocytes. Cloning Stem Cells, 2006, 8(4): 241-250.
[16] Yoshioka K, Suzuki C, Tanaka A, Anas IM, Iwamura S. Birth of piglets derived from porcine zygotes cultured in a chemically defined medium. Biol Reprod, 2002, 66(1): 112-119.
[17] Vajta G, Peura TT, Holm P, Páldi A, Greve T, Trounson AO, Callesen H. New method for culture of zonaincluded or zona-free embryos: the Well of the Well (WOW) sys-tem. Mol Reprod Dev, 2000, 55(3): 256-264.
[18] Feltrin C, Forell F, dos Santos L, Rodrigues
