Kennedy K, de Goffau M, Perez-Muñoz M, Arrieta M, Bäckhed F, Bork P, Braun T, Bushman F, Dore J, de Vos W, Earl A, Eisen J, Elovitz M, Ganal-Vonarburg S, Gänzle M, Garrett W, Hall L, Hornef M, Huttenhower C, Konnikova L, Lebeer S, Macpherson A, Massey R, McHardy A, Koren O, Lawley T, Ley R, O’Mahony L, O’Toole P, Pamer E, Parkhill J, Raes J, Rattei T, Salonen A, Segal E, Segata N, Shanahan F, Sloboda D, Smith G, Sokol H, Spector T, Surette M, Tannock G, Walker A, Yassour M, Walter J. Questioning the fetal microbiome illustrates pitfalls of low-biomass microbial studies. Nature 2023, 613: 639-649. PMID: 36697862, PMCID: PMC11333990, DOI: 10.1038/s41586-022-05546-8.Peer-Reviewed Original Research