| Klinefelter | United States physician who first described the XXY-syndrome (born in 1912) |
|---|---|
| Klinefelter | syndrome in males that is characterized by small testes and long legs and enlarged breasts and reduced sperm production and mental retardation |
| Klinefelter | syndrome in males that is characterized by small testes and long legs and enlarged breasts and reduced sperm production and mental retardation |