Chiu T.-S.WEI-HSIN WU2021-09-082021-09-0820181027-8117https://www.scopus.com/inward/record.uri?eid=2-s2.0-85056987559&doi=10.1016%2fj.dsi.2018.06.008&partnerID=40&md5=a0a6bfd97cb1ae8c7b7c1113410601abhttps://scholars.lib.ntu.edu.tw/handle/123456789/582422A blackish nodule on the toe of a traveler to Kenyaletter10.1016/j.dsi.2018.06.0082-s2.0-85056987559