Projections from subfornical organ to infralimbic cortex modulate carbon dioxide associated fear. - McMurray KMJ; Winter A; Ahlbrand R; Shukla S; Kalathill A; Gaulden A; Packard B; Pool AH; Davidson S; McReynolds JR; Herman JP; Sah R (BioRxiv : the preprint server for biology, 2026)