TJ Mechanical engineering and machinery 131 human 52 Technology: general issues 46 Humans 43 History of engineering and technology 41 Article 27 Cell Movement 26 cell motion 26 Degrees of freedom (mechanics) 23 genetics 22 metabolism 22 cell proliferation 21 Cell Proliferation 20 controlled study 20 female 19 adult 18 Gene Expression Regulation, Neoplastic 17 gene expression regulation 17 male 16 Research & information: general 15 pathology 15 Cell Line, Tumor 14 motion 14 tumor cell line 14 Animals 13 Machine design 13 animal 13 Female 12 History of engineering & technology 12 Kinematics 12