1. Letter to editor;McBride;Lancet,1961
2. Kindliche Missbildungen nach Medikament;Lenz;Deutsche med. Wchnschr.,1961
3. Letter to editor;Lenz;Lancet,1962
4. Letter to editor;Pfeiffer;Lancet,1962
5. Indication of a current increase of hypoplastic and aplastic deformities of the extremities;Wiedemann;Med. Welt,1961