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. 2021 Apr 15;9:662916. doi: 10.3389/fcell.2021.662916

FIGURE 1.

FIGURE 1

Publication trends as listed by PubMed/NLM over the last two decades, search criteria for each is “gastrointestinal + autism” and “gastrointestinal + zebrafish.” Including all three search terms (GI + ASD + zebrafish) only resulted in three publications, the earliest in 2014.