Meeting held on 2 November 1972 at St. Thomas's Hospital London S.E.1

Eitemau Tebyg

• Meeting held on 3 February 1972 at St. Thomas's Hospital, London S.E.1
  Cyhoeddwyd: (1972)
• Meeting held on 4 November 1971 at St. Thomas's Hospital, London S.E.1
  Cyhoeddwyd: (1972)
• Meeting held on 15 November 1973 at St. Thomas's Hospital, London S.E.1
  Cyhoeddwyd: (1974)
• Meeting held on 1 February 1973 at St. Thomas's Hospital London S.E.1
  Cyhoeddwyd: (1973)
• Meeting held on 1 February 1973 at St. Thomas's Hospital, London S.E.1
  Cyhoeddwyd: (1973)