Hand-Scanning Ultrasound Mass Screening for Breast Cancer in Women Aged Under 50 - KUMAZAWA, Iwao; TSUCHIYA, Juji; HASHIMOTO, Hidehisa; KAWAGOE, Hajime; UNO, Takashi; NAWA, Masato; ASANO, Masayoshi; TACHIBANA, Susumu (JOURNAL OF THE JAPANESE ASSOCIATION OF RURAL MEDICINE, 2003)