TY  - RPRT
TI  - The gut microbiota: a complex ecosystem.
AU  - B Björkstén
PY  - 2006
DO  - 10.1111/j.1365-2222.2006.02579.x
UR  - https://pubmed.ncbi.nlm.nih.gov/17014427/
ID  - 17014427
ER  -