000 00209nam a22000977a 4500
082 _a575.7
_bHAY/REG
100 _aELIZABETH D HAY, HOLT R
245 _aREGENERATION
260 _bBIOLOGY STUDEIS
942 _2ddc
_cBK
999 _c3941
_d3941