"Pulmonary disease among miners in the Joplin district, Missouri, and its relation to rock dust in the mines; a preliminary report" . . . . . . . "Pulmonary disease among miners in the Joplin district, Missouri, and its relation to rock dust in the mines a preliminary report"@en . . "Pulmonary Disease among miners in the Joplin district, Missouri" . "Pulmonary disease among miners in the Joplin District, Missouri" . . . . . . . . . "Pulmonary disease among miners in the Joplin district, Missouri, and its relation to rock dust in the mines, a preliminary report, by A. J. Lanza and Edwin Higgins" . . . . .