ERBB2 and neoplasm: In a follow-up study, the authors vaccinated mice with a Her2 peptide, and after tumor implantation, VEGF mimic peptides (the VEGF-P3-CYC and the same sequence synthesized in reverse with D-amino acids-RI-VEGF-P4-CYC) were weakly intravenously injected to the tumor-bearing mice.