TY  - BOOK
AU  - Barrett,John, x
AU  - x
TI  - Biochemistry of parasitice helminths: x
SN  - x
U1  - 595.1/BAB 
PY  - 1981///
CY  - Baltimore
PB  - Univ. Park
KW  - Invertebrates
KW  - Zoology
N1  - x
ER  -