Evaluated were antibody responses to a potent protein antigen biophage ox 174 in 17 institutionalized Down Syndrome adolescents and six mentally retarded control Ss with normal karotype. (CL)

Incidence rates derived from prospective studies of 120,000 newborns were applied to live births and induced abortions in order to estimate the trend of Down's syndrome in New York State after liberalization of the abortion law in 1970. (Author)

A genetic survey of mongolism in Serbia (Yugoslavia) is presented. Chromosomes of 616 subjects are examined for the survey. (CD)

Minutiae, ends and junctions of finger tip or palm lines, were analyzed in a sample of 115 normal adult individuals, 40 cases of Down's syndrome, and 130 normal children (aged 6 to 14 years). (DB)

The results supported the hypothesis that mentally handicapped children have a significant attraction to symmetrical arrangement, and that Down's syndrome children are more significantly attracted than other retarded children. (Author/DLS)

Serum immunoglobulin levels were measured in 20 patients with Down's syndrome (mean age 23 years) and 16 mentally retarded cerebral palsy control patients (mean age 25 years). (Author)

Analysis of venous blood samples from 24 mothers of G1-trisomy-affected (Down's Syndrome) children and 23 mothers of chromosomally normal children indicated that mothers of G1-trisomy-affected children had a greater than expected involvement of the G-chromosomes in associations of acrocentric satellited (chromosome configuration) chromosomes.…