2Evans M J,Kaufmann M H. Establishment in culture of pluripotential cell from mouse embryos[J]. Nature,1981,292:154-156.
3Piedrahita J A,Anderson G B,BonDurant R H. Influence of feeder layer type on the efficiency of isolation of porcine embryos-derived cell lines [J]. Theriogenology, 1990,34 : 865- 877.
4Notarianni E,Laurie S,Moor R M,et al. Maintance and differentiation in culture of pluripotent embryonic cell lines from pig blastocysts[J]. J Reprid Fetil, 1990,41 (suppl) :51 -56.
5Evans M J, Notarianni E, Laurie S, et al. Derivation and preliminary characterization of putative pluripotent cell lines from porcine and bovine embryos[J]. Theriogenology, 1990,33 : 125- 128.
6Strojek R M, Reed M A, Hoover J L,et al. A method for cultivating morphologically and undifferentiated embryonic stem cells from porcine blastocysts [J]. Theriogenology, 1990,33 : 901 - 913.
7Anderson G B,Choi S J, BonDurant R H. Survial of porcine inner cell masses in culture and after injection into blastocysts [J ]. Theriogenology, 1994,42 : 204- 212.
8Piedrahita J A,Moore K,Oetama B,et al. Generation of transgenic porcine chimeras using primordial germ cell-derived clonies[J]. Biology of Repeoduction, 1998,58 : 1321 - 1329.
9Shim H,Anderson G B. In vitro survial and proliferation of porcine primordial germ cells[J]. Theriogenology, 1998,49:521-528.
10Cibelli J B,Stice S L,Kane J J,et al. Production of germline chimeric bovine fetuses from transgenic embryonic stem cells[J]. Theriogenology, 1997,47 : 241.
