1. Studies in nerve conduction;Downie,1964
2. Peripheral Neuropathy in Acute Intermittent Porphyria;Nagler;Arch Phys Med Rehab,1971
3. Electrodiagnostic findings in porphyria;Maytham;S Afr Med J,1971
4. Trisomy cluster in New York;Warburton;Lancet,1977
5. Cluster of trisomy-13 live births;Pai;Lancer,1978