Barnhart, E. R. Physicians' desk reference for nonprescription drugs (7a ed.).
Chicago-viite (17. p.)Barnhart, Edward R. Physicians' Desk Reference for Nonprescription Drugs. 7a ed.
MLA-viite (8. p.)Barnhart, Edward R. Physicians' Desk Reference for Nonprescription Drugs. 7a ed.
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