000 00320nam a22001217a 4500
082 _a547.72
_bPER
100 _aPeris,Madushani
_9231
245 _aExtraction and calculating the percentage of alkaloids in Catharanthus roseus
260 _aColombo
_bIchemc
_c2007
300 _a11
650 _aexrection
_9232
942 _cDES
999 _c3012
_d3012