Zainulabid, Ummu Afeera, et al. “Malignant Lung Carcinoid Tumour With Liver and Bone Metastasis: A Case Report”. International Journal of Human and Health Sciences (IJHHS), vol. 5, no. 1, July 2020, pp. 108-11, doi:10.31344/ijhhs.v5i1.243.