PT - JOURNAL ARTICLE ED - , TI - Molecular Biophysics AID - 10.1136/pgmj.40.464.356-a DP - 1964 Jun 01 TA - Postgraduate Medical Journal PG - 356--356 VI - 40 IP - 464 4099 - http://pmj.bmj.com/content/40/464/356.2.short 4100 - http://pmj.bmj.com/content/40/464/356.2.full SO - Postgrad Med J1964 Jun 01; 40