Khalid, U.; Haroon, Z.; Aamir, M.; Ashraf, S.; Bibi, A.; Javaid, H. Validation of Vanillylmandelic Acid (VMA) With Plasma Metanephrine and Normetanephrine for Screening Adrenal Medullary Disorders. PAFMJ 2023, 73, 12-16.