Verma, R S <br/><br/>
Sex ratio of children with trisomy 21 or Down syndrome.  [electronic resource] 

 -  Cytobios  1987 
 - 145-8 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0011-4529 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Adult<br/>Child<br/>Child, Preschool<br/>Chromosome Banding<br/>Down Syndrome--epidemiology<br/>Female<br/>Humans<br/>Infant<br/>Infant, Newborn<br/>Male<br/>Maternal Age<br/>Middle Aged<br/>Paternal Age<br/>Sex Ratio