alpha 1-antitrypsin ( alpha 1-at ) and alpha 2-macroglobulin ( alpha 2-m ) were measured by both immunochemical and functional assays in paired plasma and middle ear effusions ( mees ) from experimental otitis media models ( serous otitis media [ som ] , purulent otitis media [ pom ] , and som + pom ) .
C0029882
otitis media
C0029888
pom