SPRATT, N T Formation of the primitive streak in the explanted chick blastoderm marked with carbon particles. [electronic resource] - The Journal of experimental zoology Nov 1946 - 259-304 p. digital Publication Type: Journal Article ISSN: 0022-104X Standard No.: 10.1002/jez.1401030204 doi Subjects--Topical Terms: AnimalsBlastodermCarbonChickensEmbryologyPrimitive Streak