Abstract Objective Platelet‐rich plasma (PRP) is rich in growth factors and easily obtained from blood samples. Long‐term data after PRP injection into the larynx should be improved. This study reports short‐term (3 months) long‐term (12 voice results injection. Materials Methods Sixty‐three patients with scars ( n = 34), sulcus vocalis 17), recalcitrant nodules 5), atrophy 4), or a combination...
