Schurer, J W Polyethyleneimine as tracer particle for (immuno) electron microscopy. [electronic resource] - The journal of histochemistry and cytochemistry : official journal of the Histochemistry Society May 1977 - 384-7 p. digital Publication Type: Journal Article ISSN: 0022-1554 Standard No.: 10.1177/25.5.325123 doi Subjects--Topical Terms: AnimalsBasement Membrane--metabolismColloidsImmunologic TechniquesMicroscopy, Electron--methodsParticle SizePolyethyleneimine--metabolismPolyethylenesRats