Källor till artikeln "Vad är jordbaserad probiotika?" av Sylvia Oppenheim, hälsoskribent

1. Probiotika – tarmens vänner eller fiender? 2010-03-30 nummer 13 http://www.lakartidningen.se/Functions/OldArticleView.aspx?articleId=14091 <http://www.lakartidningen.se/Functions/OldArticleView.aspx?articleId=14091>
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7. Bacterial imbalance in Crohn's disease | http://www.nature.com/nrmicro/journal/v12/n5/full/nrmicro3255.html
8. IBS with intestinal microbial dysbiosis: a new and clinically relevant subgroup? | http://gut.bmj.com/content/early/2014/02/25/gutjnl-2013-306434
9. Prescript-assist probiotic-prebiotic treatment for irritable bowel syndrome: an open-label, partially controlled, 1-year extension of a previously published controlled clinical trial | http://www.ncbi.nlm.nih.gov/pubmed/17692729
10. Is Dirt the New Prozac? | http://discovermagazine.com/2007/jul/raw-data-is-dirt-the-new-prozac
11. http://www.humicsubstances.org/whatarehs.html
12. http://www.nrm.se/faktaomnaturenochrymden/ekosystem/vadarenjordman.14681.html
13. http://www.bioag.com/educationandresources.html