CONCEPTION AND BIRTH SEX RATIOS.
| Autor: | SHETTLES, LANDRUM B. |
|---|---|
| Zdroj: | Obstetrical & Gynecological Survey; Dec1961, Vol. 16 Issue 6, p768-773, 6p |
| Databáze: | Complementary Index |
| Externí odkaz: |
|
| Autor: | SHETTLES, LANDRUM B. |
|---|---|
| Zdroj: | Obstetrical & Gynecological Survey; Dec1961, Vol. 16 Issue 6, p768-773, 6p |
| Databáze: | Complementary Index |
| Externí odkaz: |
|