Engineering bioinspired, high-density collagen microgels with tunable intrafibrillar mineralization for accelerated osteogenesis in vitro and bone regeneration in vivo. - Vignolo SM; Roth DM; Fraga MAA; Wu L; Cosgrove JA; Athirasala A; Lin ASP; Guldberg RE; Bertassoni LE (Acta biomaterialia, 2026)