| 000 | 00434nam a22001577a 4500 | ||
|---|---|---|---|
| 999 |
_c148115 _d148114 |
||
| 005 | 20201015111052.0 | ||
| 008 | 201015b ||||| |||| 00| 0 eng d | ||
| 041 | _aEN | ||
| 082 |
_223 _a617.712 _bWOR |
||
| 110 |
_983723 _aWorld Health Orgaization |
||
| 245 |
_aThe prevention of blindness _b: report of a WHO study group |
||
| 260 |
_aGeneva: _bWorld health organization; _c1973. |
||
| 300 | _a18 p. | ||
| 509 | _aNS | ||
| 942 | _cPR | ||