Warning: Undefined array key "mm" in /www/wwwroot/www.ai-bt.com/si.php on line 10 Deprecated: trim(): Passing null to parameter #1 ($string) of type string is deprecated in /www/wwwroot/www.ai-bt.com/si.php on line 10 United Mine Workers of America Welfare and Retirement Fund medical care program.

Literature DB >> 13040599

United Mine Workers of America Welfare and Retirement Fund medical care program.

Abstract

Keywords: MINING

Source DB: PubMed Journal: Am J Public Health Nations Health ISSN： 0002-9572

× No keyword cloud information.

1 in total

Authors: A N KOPLIN; R HUTCHISON; B K JOHNSON
Journal: Am J Public Health Nations Health Date: 1959-09

1 in total