Natural alternatives for the common cold: hype or hope?
Messerschmidt
K
K
D003139:Common Cold / Q000628:therapy*; D000529:Complementary Therapies; D020900:Echinacea / Q000627:therapeutic use*; D006801:Humans; D008517:Phytotherapy; D010946:Plants, Medicinal; D015032:Zinc / Q000627:therapeutic use*
D015032:Zinc