| Tribalism, 196199
|
| Truk Island men, 200
|
| Tuberville, G., 65
|
| Turner syndrome, 53
|
| Twins
|
| cows, freemartin calf, 13
|
| girl-boy co-twins and testosterone levels, 13
|
| Udry, Richard, 116
|
| Unemployment, testosterone levels and, 93, 142
|
| Vanity, 6667
|
| Vann, John Paul, 132134
|
| Vasopressin, 98
|
| Vegetarians, and testosterone levels, 18
|
|