TY  - RPRT
TI  - Structural and combinatorial constraints on base pairing in large nucleotide sequences.
AU  - R Nussinov
AU  - G Pieczenik
PY  - 1984
DO  - 10.1016/0022-5193(84)90029-8
UR  - https://pubmed.ncbi.nlm.nih.gov/6201680/
ID  - 6201680
ER  -