COMMON COLD: CONTROLLED TRIALS.
D000900:Anti-Bacterial Agents; D001205:Ascorbic Acid; D035843:Biomedical Research; D003139:Common Cold; D004358:Drug Therapy; D006801:Humans; D010919:Placebos; D011500:Protein Synthesis Inhibitors; D015572:Spiramycin; D013752:Tetracycline
D000900:Anti-Bacterial Agents; D010919:Placebos; D011500:Protein Synthesis Inhibitors; D015572:Spiramycin; D013752:Tetracycline; D001205:Ascorbic Acid
ASCORBIC ACID; CLINICAL RESEARCH; COMMON COLD; DRUG THERAPY; PLACEBOS; SPIRAMYCIN; TETRACYCLINE