
PMID- 32830773
TI  - Shift-field refinement of macromolecular atomic models.
SO  - Acta Crystallogr D Struct Biol. 2020;76(Pt 8):764-770.
AU  - Cowtan K
AU  - Metcalfe S
AU  - Bond P
URL - https://doi.org/10.1107/S2059798320009869
