TY - GEN AU - Merrifield,R.B. AU - Woolley,D.W. TI - The isolation and determination of structure of peptides with strepogenin activity: I. Serylhistidylleucylvalylglutamic acid and serylhistidylleucylvalylglutamylalanylleucine from insulin PY - 1952/// CY - [S.l. PB - s.n.] ER -