元素周期表Brooks/Cole Cengage Learning. : 173. ISBN 1-111-42710-0. Ball, p. 123 Barber, R. C.; Karol, P. J.; Nakahara, Hiromichi; Vardaci, Emanuele; Vogt, E. W
帕金森氏病(原始内容存档于2022-06-07) (英语). Wang, Haidong; Naghavi, Mohsen; Allen, Christine; Barber, Ryan M; Bhutta, Zulfiqar A; Carter, Austin; Casey, Daniel C; Charlson,