TY - RPRT TI - Combining direct methods with isomorphous replacement or anomalous scattering data. VIII. Phasing experimental SIR data with the replacing atoms in a centrosymmetric arrangement. AU - Y D Liu AU - Y X Gu AU - C D Zheng AU - Q Hao AU - H F Fan PY - 1999 DO - 10.1107/s0907444998017703 UR - https://pubmed.ncbi.nlm.nih.gov/10089315/ ID - 10089315 ER -