“…In a literature review of EEC syndrome we found 70 cases with the complete triad and 95 case reports (54 cases from 17 families) with at least two cardinal symptoms of the EEC syndrome. We think most of these 95 cases demonstrated partial manifestations of the EEC syndrome (Bixler et al 1972, Fried 1972, Preus & Fraser 1973, Reed et al 1974, Lurie et al 1976, Lewis & Pashayan 1981. Familial cases of the complete EEC syndrome were reported by Brill et al (1972), Cockayne (1936), Pashayan et al (1974), Penchaszadeh & de Negrotti (1 976), Pfeiffer & Verbeck (1 973), Robinson et al (1973), Rosenmdnn et al (1976, Walker & Clodius (1963).…”