LEADER 00631nam2 22002171i 450 001 990002274570403321 035 $a000227457 035 $aFED01000227457 035 $a(Aleph)000227457FED01 035 $a000227457 100 $a20030801d--------km-y0itay50------ba 200 1 $a<>biological effects of 8-azapurines.London, 1957, p. 270-282. 463 0$1001000221616 701 1$aMatthews,$bR.E.F.$064732 801 0$aIT$bUNINA$gRICA$2UNIMARC 901 $aBK 912 $a990002274570403321 959 $aFFABC 996 $aBiological effects of 8-azapurines.London, 1957, p. 270-282$9385182 997 $aUNINA DB $aING01