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You searched for: Creator Personal Names Dessen, Edgar L. Remove constraint Creator Personal Names: Dessen, Edgar L. Creator Personal Names Pendergrass, Eugene Percival, 1895- Remove constraint Creator Personal Names: Pendergrass, Eugene Percival, 1895- All Subjects Chest radiography. Remove constraint All Subjects: Chest radiography. All Subjects Coal miners--Diseases--Diagnosis. Remove constraint All Subjects: Coal miners--Diseases--Diagnosis. Subject Topical Pneumoconiosis. Remove constraint Subject Topical: Pneumoconiosis.

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