Back to matchesWe found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleDr. R. C. L. Perkins, F.R.S.AuthorsBENSON, ROBERT B.PublicationNature, 1955, Vol 176, Issue 4487, p813ISSN0028-0836Publication typeArticleDOI10.1038/176813a0