% Bibliography for hypothesis h-SDA-2026-04-26-gap-20260426-001521-04-elevated-circulating-spdgfr-reflects-early-peric-049b5bfce6 % Title: Elevated Circulating sPDGFRβ Reflects Early Pericyte Loss Preceding Neurodegeneration % Generated: 2026-06-13T22:48:57Z