000 00366pam a2200157a 44500
008 230515b1994 xxu||||| |||| 00| 0 eng d
020 _aNULL
041 _aENG
082 _a547.19245
100 _aR F Burk
245 _aSeleniumin Biology and human health
250 _a0
260 _aNULL
_b"Springer verlag , nd, "
_c1994
300 _a221
650 _aNULL
999 _c523431
_d523431