1. A (mother la Russell;et al,1962
2. A (mother la Russell;et al,1969
3. lb (mothers in families la and lb are sisters);Russell et al. (1962) Levin et al,1969
4. Levin et al. (1969a) Palmer (1973)
5. Lethal neonatal hyperammonaemia due to complete ornithine-transcarbamylase deficiency;Campbell, A.G.M.; Rosenberg, L.E.; Snodgrass, P.J.; Nuzum, C.T.;Lancet,1971