Waller, P. A., Gopal, P. K., Leyer, G. J., Ouwehand, A. C., Reifer, C., Stewart, M. E., & Miller, L. E. (2011). Dose-response effect of Bifidobacterium lactis HN019 on whole gut transit time and functional gastrointestinal symptoms in adults. Informa Healthcare.

Waller, Philip A., Pramod K. Gopal, Gregory J. Leyer, Arthur C. Ouwehand, Cheryl Reifer, Morgan E. Stewart, und Larry E. Miller. Dose-response Effect of Bifidobacterium Lactis HN019 On Whole Gut Transit Time and Functional Gastrointestinal Symptoms in Adults. Informa Healthcare, 2011.

Waller, Philip A., et al. Dose-response Effect of Bifidobacterium Lactis HN019 On Whole Gut Transit Time and Functional Gastrointestinal Symptoms in Adults. Informa Healthcare, 2011.