\input zb-basic \input zb-ioport \iteman{io-port 05436847} \itemau{Scheit, K.H.; Rackwitz, H.R.} \itemti{Synthesis and physicochemical properties of two analogs of $poly(dA): Poly(2-aminopurine-9-beta-d-deoxyribonucleotide)$ and poly 2-amino- deoxyadenylic acid.} \itemso{Nucleic Acids Res. 10, No. 13, 4059-4069 (1982).} \itemcc{} \itemut{} \itemli{doi:10.1093/nar/10.13.4059} \end