Table I.
Group | Number of mice | Drug | Dose | Normal air or oxygen | Time of injection |
---|---|---|---|---|---|
1 | 6 | E2 | 0.5 µg/0.05 ml | Normal air | P7-16 |
2 | 18 | E2 | 0.5 µg/0.05 ml | Oxygen inhalation | P7-11 |
3 | 6 | E2 | 0.5 µg/0.05 ml | Oxygen inhalation | P7-16 |
4 | 6 | E2 | 0.5 µg/0.05 ml | Oxygen inhalation | P12-16 |
5 | 6 | E2 | 1.0 µg/0.05 ml | Normal air | P7-16 |
6 | 18 | E2 | 1.0 µg/0.05 ml | Oxygen inhalation | P7-11 |
7 | 6 | E2 | 1.0 µg/0.05 ml | Oxygen inhalation | P7-16 |
8 | 6 | E2 | 1.0 µg/0.05 ml | Oxygen inhalation | P12-16 |
9 | 6 | E2 | 1.5 µg/0.05 ml | Normal air | P7-16 |
10 | 18 | E2 | 1.5 µg/0.05 ml | Oxygen inhalation | P7-11 |
11 | 6 | E2 | 1.5 µg/0.05 ml | Oxygen inhalation | P7-16 |
12 | 6 | E2 | 1.5 µg/0.05 ml | Oxygen inhalation | P12-16 |
13 | 6 | NS | 0.05 ml | Normal air | P7-16 |
14 | 6 | NS | 0.05 ml | Oxygen inhalation | P7-16 |
E2, estrogen; NS, normal saline; P, postnatal day.