Long-term use of combined conventional medicine and Chinese herbal medicine decreases the mortality risk of patients with lung cancer

Ming-Hsien Yeh, Hsien-Chang Wu, Nai-Wei Lin, Jin‐Jian Hsieh, Jin-Wen Yeh, Hung‐Pin Chiu, Mei-Chun Wu, Tzung‐Yi Tsai, Chia-Chou Yeh, Te‐Mao Li