Shapiro, L R <br/><br/>
Down's syndrome in twins.  [electronic resource] 

 -  Clinical genetics  1972 
 - 364-70 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0009-9163 
<br/><br/><label>Standard No.: </label>10.1111/j.1399-0004.1972.tb01469.x  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Abnormalities, Multiple<br/>Blood Group Antigens<br/>Child<br/>Chromosome Aberrations<br/>Chromosomes, Human, 21-22 and Y<br/>Dermatoglyphics<br/>Diseases in Twins<br/>Down Syndrome--genetics<br/>Electrophoresis, Starch Gel<br/>Enzymes--blood<br/>Female<br/>Gene Frequency<br/>Genotype<br/>Humans<br/>Infant<br/>Mosaicism<br/>Phenotype<br/>Pregnancy<br/>Trisomy