TY - RPRT TI - Toeprinting assays. Mapping by blocks to reverse transcriptase primer extension. AU - S Ringquist AU - L Gold PY - 1998 DO - 10.1385/0-89603-397-x:283 UR - https://pubmed.ncbi.nlm.nih.gov/9770677/ ID - 9770677 ER -