AU  - SIMPKINS,J.
AU  - WILLIAMS,J.I.
TI  - ADVANCED BIOLOGY
SN  - 0003222764
U1  - 574/SIM 
PY  - 1994///
CY  - LONDON
PB  - COLLINS EDUCATIONAL
KW  - SCIENCE
KW  - BIOLOGY
KW  - ORGANISMS
KW  - CELLS
KW  - MAMMALS
KW  - FLOWERING PLANTS
ER  -