There are multiple definitions:

1. McKusick-Kaufman syndrome(English)

   • first described in 1964 as an autosomal recessive disorder with variable expression in an Amish population. The cardinal features of this developmental anomaly include postaxial polydactyly, hydrometrocolpos and congenital heart disease
   • Congenital disorders
   • https://doi.org…8/sj.jp.7211207

2. mitosis kinase [gene expression] score(English)

   • patients with highly proliferative (high MKS) and high-ER breast cancers have the highest absolute risk for late relapse tumors
   • GGI, ER, ERS
   • Oncology, Scoring systems/scales, Mitosis
   • https://doi.org/10.1186/bcr3481

3. meter, kilogram, and second(English)

   • a physical system of measurement units that uses the meter, kilogram, and second as base units. It forms the base of the International System of Units
   • fps, SI
   • Standards