No effect of oral treatment with an intestinal bacterial strain, Lactobacillus rhamnosus (ATCC 53103), on birch‐pollen allergy: a placebo‐controlled double‐blind study
- 2002-03
- RCT
- Allergy 57(3)
- T. Helin
- Sauli Haahtela
- T. Haahtela
- PubMed: 11906339
- DOI: 10.1034/j.1398-9995.2002.1s3299.x
- High evidence
- Highly Cited
The treatment did not significantly affect the symptoms caused by apple in the oral challenge tests.
- Effect
- Neutral
- Effect size
- Large
- Significant
- No