| 000 | 00357pab a2200145 454500 | ||
|---|---|---|---|
| 008 | 180718b1985 xxu||||| |||| 00| 0 eng d | ||
| 100 | _aRyder, N.B. | ||
| 245 | _aThe sturcture of pregnancy intervals by planning status | ||
| 260 | _c1985 | ||
| 300 | _a193-211 | ||
| 362 | _aJuly | ||
| 650 | _aBirth Control | ||
| 773 | _aPopulation Studies | ||
| 909 | _a4484 | ||
| 999 |
_c4484 _d4484 |
||