Al Fadhli et al. studied the SNVs of NOS1 (see Section 2.1.9 on “Multiple Sclerosis” regardingNOS1), NOS2 (see Section 2.3.7 on “Multiple Sclerosis” regardingNOS2), and NOS3 (rs1800783, rs1800779, rs2070744, and 27bpVNTR). Here, NOS1 is linked to multiple sclerosis.