Biology, images, analysis, design...
Use/Abuse Principles How To Related
"It has long been an axiom of mine that the little things are infinitely the most important" (Sherlock Holmes)

Search this site



Just a note

Down's syndrome is the most frequently identified cause of mental retardation, with a prevalence of about 0.125% of births. The disorder affects survival especially in the first year of life, although in developed countries over the last 50 years survival has improved from below 50% to over 80%.