title: Proto-oncogene amplification: role in tumour progression.
mesh_terms: D000818:Animals; D005784:Gene Amplification; D006801:Humans; D008175:Lung Neoplasms / Q000235:genetics; D009447:Neuroblastoma / Q000235:genetics; D009857:Oncogenes; D000090063:Proto-Oncogene Mas; D011519:Proto-Oncogenes