TY  - RPRT
TI  - Protein database searches for multiple alignments.
AU  - S F Altschul
AU  - D J Lipman
PY  - 1990
DO  - 10.1073/pnas.87.14.5509
UR  - https://pubmed.ncbi.nlm.nih.gov/2196570/
ID  - 2196570
ER  -