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by Neal, Virgil E.; Clark, Charles S.
by Clark, Charles L.; Eubank, Earle Edward; Hoffman, Charles W.
by Munn, Charles Clark
by Clark, Charles N.
by Edwards, Harry T.; Clark, R. Theodore; Craver, Charles
by Bowen, H. Kent; Clark, Kim B.; Holloway, Charles A.; et al.
by Clark, Charles R.; Ducker, Thomas B.; Cervical Spine Research Society Editorial Committee
by Clark, Charles E.
by Stilson, Kenneth L.; Clark, Larry D.; McGaw, Charles; et al.