Hodgkin, D.C.2010-07-062010-07-061976Journal of the National science council of Sri Lanka, 4(2):p.87-98https://dl.nsf.gov.lk/handle/1/6291PenicillinProteinsCrystalsHormonesChemical StructureBiological SciencesX-rays and the structure of InsulinArticle