It is useful for determining whether a tumour is of glial origin.[1]
References
↑Reyaz N, Tayyab M, Khan SA, Siddique T (2005). "Correlation of glial fibrillary acidic protein (GFAP) with grading of the neuroglial tumours". Journal of the College of Physicians and Surgeons Pakistan. 15 (8): 472–5. PMID16202357.