TY  - GEN
AU  - Hopson, Janet L
AU  - Wessells, Norman K
TI  - Essentials of biology
SN  - 0071007385
U1  - 574 HOP 
CY  - Newyork, Mc Graw- Hill Book Company Inc
KW  - Essentials of biology/ Atoms, Molecules- Life/ Cells/ Human genetics/ Animal development
ER  -