title: [An introduction to growth factor].
mesh_terms: D000818:Animals; D004815:Epidermal Growth Factor / Q000302:isolation & purification; D066246:ErbB Receptors; D006133:Growth Substances / Q000302:isolation & purification*; D006801:Humans; D051379:Mice; D009414:Nerve Growth Factors / Q000302:isolation & purification; D010982:Platelet-Derived Growth Factor / Q000302:isolation & purification; D051381:Rats; D011956:Receptors, Cell Surface / Q000302:isolation & purification
chemical_list: D006133:Growth Substances; D009414:Nerve Growth Factors; D010982:Platelet-Derived Growth Factor; D011956:Receptors, Cell Surface; D004815:Epidermal Growth Factor; D066246:ErbB Receptors