| scholarly article | Q13442814 |
| P356 | DOI | 10.1055/S-0031-1300080 |
| P698 | PubMed publication ID | 11505787 |
| P2093 | author name string | Bulitta Michael | |
| Schulten B | |||
| Ballering-Brühl Brigitta | |||
| Köster Ulrike | |||
| Schäfer Michael | |||
| P433 | issue | 7 | |
| P921 | main subject | placebo | Q269829 |
| Echinacea purpurea | Q272661 | ||
| P304 | page(s) | 563-568 | |
| P577 | publication date | 2001-01-01 | |
| P1433 | published in | Drug Research | Q10530143 |
| P1476 | title | Efficacy of Echinacea purpurea in patients with a common cold. A placebo-controlled, randomised, double-blind clinical trial | |
| P478 | volume | 51 |
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