Clark GF, Dell A, Morris HR, Patankar MS, Easton RL (2001). "The species recognition system: a new corollary for the human fetoembryonic defense system hypothesis". Cells Tissues Organs (Print). 168 (1–2): 113–21. doi:10.1159/000016812. PMID11114593. S2CID22626737.
Trowsdale J, Betz AG (March 2006). "Mother's little helpers: mechanisms of maternal-fetal tolerance". Nat. Immunol. 7 (3): 241–6. doi:10.1038/ni1317. PMID16482172. S2CID33530468.
Sarah A. Robertson; John J. Bromfield; Kelton P. Tremellen (August 2003). "Seminal 'priming' for protection from pre-eclampsia—a unifying hypothesis". Journal of Reproductive Immunology. 59 (2): 253–265. doi:10.1016/S0165-0378(03)00052-4. PMID12896827.
Clark GF, Dell A, Morris HR, Patankar MS, Easton RL (2001). "The species recognition system: a new corollary for the human fetoembryonic defense system hypothesis". Cells Tissues Organs (Print). 168 (1–2): 113–21. doi:10.1159/000016812. PMID11114593. S2CID22626737.
Trowsdale J, Betz AG (March 2006). "Mother's little helpers: mechanisms of maternal-fetal tolerance". Nat. Immunol. 7 (3): 241–6. doi:10.1038/ni1317. PMID16482172. S2CID33530468.
Sarah A. Robertson; John J. Bromfield; Kelton P. Tremellen (August 2003). "Seminal 'priming' for protection from pre-eclampsia—a unifying hypothesis". Journal of Reproductive Immunology. 59 (2): 253–265. doi:10.1016/S0165-0378(03)00052-4. PMID12896827.
Clark GF, Dell A, Morris HR, Patankar MS, Easton RL (2001). "The species recognition system: a new corollary for the human fetoembryonic defense system hypothesis". Cells Tissues Organs (Print). 168 (1–2): 113–21. doi:10.1159/000016812. PMID11114593. S2CID22626737.
Trowsdale J, Betz AG (March 2006). "Mother's little helpers: mechanisms of maternal-fetal tolerance". Nat. Immunol. 7 (3): 241–6. doi:10.1038/ni1317. PMID16482172. S2CID33530468.
thefreelibrary.com
Darwin's children LeVay, Simon. (1997, October 14). from The Free Library. (1997). Retrieved March 06, 2009
uci.edu
cvr.bio.uci.edu
Luis P. Villarreal (Sep 2004). "Can Viruses Make Us Human?"(PDF). Proceedings of the American Philosophical Society. 148 (3): 314. Archived from the original(PDF) on 2005-03-02.
Luis P. Villarreal (Sep 2004). "Can Viruses Make Us Human?"(PDF). Proceedings of the American Philosophical Society. 148 (3): 314. Archived from the original(PDF) on 2005-03-02.