1. (Krankheiten des Nervensystems);Becker, P.E.;Humangenetik,1966
2. Familial incidence of cerebral aneurysms;Chakravorty, B.G.; Gleadhill, C.A.;Brit. med. J,1966
3. Familial incidence of congenital aneurysm of cerebral arteries. Report of cases of ruptured aneurysm in father and son;Chambers, W.R.; Harper, B.F.; Simpson, J.R.;J. Amer. Med. Ass,1954
4. Sudden non-traumatic death associated with physical exertion in identical twins;JokI, E.; Wolffe, J.B.;Acta Genet. Med. (Roma),1954
5. Ergebuisse aus der Nachuntersuchung der Berlinre Zwilbingsserve nach 20-25 Jahren (Vorlaufige Ergebuisse);Koch, G.;Acta genet. (Basel); Subarachnoid haemorrhage in identical twins,1957