title: Preface.
authors.affiliation: Blacksburg, Virginia.
authors.forename: W R
authors.initials: WR
authors.lastname: Huckle
mesh_terms: D005260:Female; D006801:Humans; D008431:Maternal-Fetal Exchange; D023421:Models, Animal; D010920:Placenta / Q000502:physiology*; D011247:Pregnancy; D014157:Transcription Factors
chemical_list: D014157:Transcription Factors