000 00217 a2200097 4500
080 _a577.16
_bS 646 V
245 1 _aVitamin B12
_cby E.L. Smith
260 _aLondon
_c1960
650 _aVitamin B12
100 1 _aSmith, E.L.
_d
999 _c32067
_d32067