TY - RPRT TI - Cholera toxin crystals suitable for x-ray diffraction. AU - P B Sigler AU - M E Dryan AU - H C Kiuefer AU - R A Finkelstein PY - 1977 DO - 10.1126/science.197.4310.1277-a UR - https://pubmed.ncbi.nlm.nih.gov/897666/ ID - 897666 ER -