Gitlin, D Synthesis of -fetoprotein by liver, yolk sac, and gastrointestinal tract of the human conceptus. [electronic resource] - Cancer research May 1972 - 979-82 p. digital Publication Type: Journal Article ISSN: 0008-5472 Subjects--Topical Terms: Alpha-Globulins--biosynthesisAmino Acids--metabolismAutoradiographyCarbon IsotopesCulture TechniquesDigestive System--metabolismEmbryo, Mammalian--metabolismExtraembryonic Membranes--metabolismFemaleFetus--metabolismGestational AgeHumansImmunoelectrophoresisLiver--metabolismPregnancy