Tumour immunology and evolution of the placenta.
D000367:Age Factors; D000818:Animals; D005075:Biological Evolution; D005260:Female; D006801:Humans; D008431:Maternal-Fetal Exchange; D051379:Mice; D009369:Neoplasms / Q000276:immunology*; D010920:Placenta / Q000276:immunology*; D011247:Pregnancy; D051381:Rats