Citation

Weeks JL. Ann. N. Y. Acad. Sci. 1989; 572: 189-99; discussion 221-3.

Affiliation

United Mine Workers of America, Washington, DC 20005.

Copyright

(Copyright © 1989, John Wiley and Sons)

DOI

unavailable

PMID

2627080

Abstract

[Abstract unavailable]

Language: en