Method Development of Nested Allele-Specific Multiplex Polymerase Chain Reaction (NASM-PCR) for the Irritable Bowel Syndrome (IBS)-related Gene Polymorphisms. Iraqi Journal of Science [Internet]. 2023 Feb. 28 [cited 2025 Jan. 23];64(3):1129-41. Available from: https://ijs.uobaghdad.edu.iq/index.php/eijs/article/view/5299