The significance and robustness of a plasma free amino acid (PFAA) profile-based multiplex function for detecting lung cancer. - Shingyoji, Masato; Iizasa, Toshihiko; Higashiyama, Masahiko; Imamura, Fumio; Saruki, Nobuhiro; Imaizumi, Akira; Yamamoto, Hiroshi; Daimon, Takashi; Tochikubo, Osamu; Mitsushima, Toru; Yamakado, Minoru; Kimura, Hideki (BMC Cancer, 2013)