Pošalji zapis e-poštom: ANTIBODY RESPONSE OF INBRED MOUSE STRAINS TO ORDERED TETRAPEPTIDES OF TYROSINE AND GLUTAMIC ACID ATTACHED TO MULTICHAIN POLYALANINE OR POLYPROLINE : TYR-TYR-GLU-GLU IS A MAJOR DETERMINANT OF THE RANDOM POLY-(TYR, GLU)-POLYDLALA--POLYLYS