| 000 | 00351nam a2200109Ia 4500 | ||
|---|---|---|---|
| 008 | 201227s9999||||xx |||||||||||||| ||und|| | ||
| 100 |
_aU.S Dept. of Health education and Welfare _97986 |
||
| 245 | 0 | _aNational Library of Medicine:Medical Subject Headings 1970 | |
| 260 |
_aU.S. Dept. of Health education and welfare _c1970 |
||
| 500 | _a422 | ||
| 942 | _cBK | ||
| 999 |
_c11834 _d11818 |
||