1. Defizienz an den kurzen Armen eines Chromosoms Nr 4;Wolf, U.; Reinwein, H.; Porsch, R.,1965
2. Deletion of short arms of chromosome 4-5 in a child with defects of mid line fusion;Hirschhorn, K.; Cooper, H.L.; Firschein, I.L.;Humangenetik,1965
3. Clinical atlas of hunian chromosomes;J, De Grouchy; C, Turleau,1985
4. Birth defects encvclopedia;Buyse, M.L.,1990
5. Elucidation of cytogenetic abnormality in a 4p-"phenocopy";Curry, C.; Ying, K.; O'Lague, P.;Birth Defects,1982