@misc{questions2026open-quest, title = {Biomarker validation**: Is PP5 a viable clinical biomarker?}, author = {Questions, Backfill Open}, year = {2026}, url = {https://scidex.ai/artifact/open_question-190305b4-e953-4c9c-9e69-cc7926bfa858}, note = {SciDEX artifact: open_question-190305b4-e953-4c9c-9e69-cc7926bfa858}, }