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Figure 4  .

Figure 4  

Activity of p42 mitogen activated protein kinase (MAPK) in colonic adenomas. p42 MAPK activity was assayed in four colonic adenomas, two of them presenting together with carcinomas. (A) Autoradiographs of phosphorylated myelin basic protein; (B) bar graph of the activity (seastar units (SSU)/mg protein) quantified with a phosphoimager.