TY  - GEN
AU  - Hummel,
TI  - A modified spectrophotometric determination of chymotrypsim, trypsim, and thrombin [Texto fotocopiado]
SN  - 1500$
PY  - 0000///The National Research Council of Canada
CY  - Ottawa
PB  - 1959
N2  - Bibliografia
ER  -