J M Smith, N H Smith, M O'Rourke, and B G Spratt. Proceedings of the National Academy of Sciences of the United States of America90(10):4384--8 (May 1993)PMID: 8506277.
J M Smith, N H Smith, M O'Rourke, and B G Spratt. Proceedings of the National Academy of Sciences of the United States of America90(10):4384--8 (May 1993)PMID: 8506277.