RT Journal Article SR Electronic T1 Molecular Biophysics JF Postgraduate Medical Journal JO Postgrad Med J FD The Fellowship of Postgraduate Medicine SP 356 OP 356 DO 10.1136/pgmj.40.464.356-a VO 40 IS 464 YR 1964 UL http://pmj.bmj.com/content/40/464/356.2.abstract AB