By Jacques Berthet and Christian de Duve, credited as J. Berthet and C. de Duve. Published in Biochemical Journal 50(2), 174–181, December 1951; received 28 March 1951. The received date is distinct from publication. Portland Press hosts the publisher PDF.
Inspected passage: indexed first-page text, printed p. 174, introduction and Methods, Fractionation of tissue constituents. The full original PDF and subsequent pages were not inspected; this locator does not support claims about unseen tables, numerical activity magnitudes, exact spin settings or specific disruption reagents.