Tohutoro APA (7th ed.)
ebrary, Inc, & Spector, S. L. (1999). Anticholinergic agents in the upper and lower airways. Dekker.
Tohutoru Kātū Chicago (17th ed.)
ebrary, Inc, me Sheldon L. Spector. Anticholinergic Agents in the Upper and Lower Airways. New York: Dekker, 1999.
Tohutoro MLA (9th ed.)
ebrary, Inc, me Sheldon L. Spector. Anticholinergic Agents in the Upper and Lower Airways. Dekker, 1999.
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