| scholarly article | Q13442814 |
| P356 | DOI | 10.7326/0003-4819-137-12-200212170-00006 |
| P698 | PubMed publication ID | 12484708 |
| P2093 | author name string | Roger L Brown | |
| Rob Maberry | |||
| Bruce P Barrett | |||
| James A Bobula | |||
| Donn D'Alessio | |||
| Kristin Locken | |||
| P433 | issue | 12 | |
| P407 | language of work or name | English | Q1860 |
| P921 | main subject | placebo-controlled trial | Q108853737 |
| common cold | Q12125 | ||
| placebo | Q269829 | ||
| P304 | page(s) | 939-946 | |
| P577 | publication date | 2002-12-01 | |
| P1433 | published in | Annals of Internal Medicine | Q564416 |
| P1476 | title | Treatment of the common cold with unrefined echinacea. A randomized, double-blind, placebo-controlled trial | |
| P478 | volume | 137 |
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