Down Syndrome or Trisomy 21: Chromosomal disorder
Trisomy 21 or Down Syndrome was first described by John Langdon Hayden Down a Physician ( 1828-1896 AD) in The London Hospital in 1866 AD.In […]
Read MoreOnline Medical Magazine
Trisomy 21 or Down Syndrome was first described by John Langdon Hayden Down a Physician ( 1828-1896 AD) in The London Hospital in 1866 AD.In […]
Read More