X - procedure

- X chromosome inactivation - x ray crystallography - X-linked bulbospinal muscular atrophy genotyping - X-linked bulbospinal muscular atrophy, PCR/southern blot - X-linked intellectual disability gene duplication & deletion analysis - X-linked intellectual disability genomic sequence analysis - X-ray diffraction - X-ray of hip - X-ray of lumbosacral spine - x-ray of spine - xeroradiography - xience stent - XLID gene duplication & deletion analysis - Xpert Carba-R Assay - Xpert MTB/RIF assay - xpert tuberculosis - XRT - xTAG respiratory viral panel - xylose absorption test