000 00347nam a2200145Ia 4500
020 _a9789814023085
082 _b774
_a570
100 _a"Choo, Angeline"
245 0 _aPure Biology Topical Analysis
260 _b,System Pub
_aSingapore
_c1998
300 _a252
944 _cTR
999 _c528960
_d528960