The following publications are possibly variants of this publication:
- An unusual tracheal foreign body in a middle-aged male with a 15-year history of coal use: a case reportLi-juan Zhong, Min Yan, Yi Wang, Dai-quan Zhou, Jian-ming Tang, Shou-hong Xiang. bmcbi, 21(1):35, 2020. [doi]
- Correction to: An unusual tracheal foreign body in a middle-aged male with a 15-year history of coal use: a case reportLi-juan Zhong, Min Yan, Yi Wang, Dai-quan Zhou, Jian-ming Tang, Shou-hong Xiang. bmcmi, 21(1):61, 2021. [doi]