Relationship between classroom bacterial flora and student respiratory infections, 190 - 01 - 04 - LD1017 .C8133 1976 M3, Volume: Archives LD1017 .C8133 1976 M3; Volume: Carlson Library Level A Main Quarto Collection LB3411 .M3. Clarion University Archives.
Relationship between classroom bacterial flora and student respiratory infections, 190 - 01 - 04 - LD1017 .C8133 1976 M3, Volume: Archives LD1017 .C8133 1976 M3; Volume: Carlson Library Level A Main Quarto Collection LB3411 .M3. Clarion University Archives. http://as-clarion.klnpa.org/repositories/2/resources/336 Accessed March 24, 2026.