TY - GEN AU - Shapiro,L R AU - Farnsworth,P G TI - Down's syndrome in twins SN - 0009-9163 PY - 1973///0109 KW - Abnormalities, Multiple KW - Blood Group Antigens KW - Child KW - Chromosome Aberrations KW - Chromosomes, Human, 21-22 and Y KW - Dermatoglyphics KW - Diseases in Twins KW - Down Syndrome KW - genetics KW - Electrophoresis, Starch Gel KW - Enzymes KW - blood KW - Female KW - Gene Frequency KW - Genotype KW - Humans KW - Infant KW - Mosaicism KW - Phenotype KW - Pregnancy KW - Trisomy N1 - Publication Type: Journal Article UR - https://doi.org/10.1111/j.1399-0004.1972.tb01469.x ER -