2634347 EGFR epidermal growth factor receptor 31579 3984130 EGFRs epidermal growth factor receptors 196 2634597 EGFL epidermal growth factor-like 13 3040485 EGF repeats epidermal growth factor-like repeats 3 2634273 EGFs epidermal growth factor-like domains 3 2634420 EGFR epidermal growth factor-like repeat 2 3984139 EGFrs epidermal growth factor-like repeats 1