Shirato, H.; Ichimura, W. .; Wakushima, H. .; Ntshioka, T. .; Suzuki, K. . Squamous Cell Carcinoma Antigen in Serum for Monitoring of Head and Neck and Uterine Cervical Squamous Cell Carcinomas After Radiotherapy. AO 1993, 32, 663-666.