The bacteriome and mycobiome associated with oral squamous cell carcinoma: metagenomic analysis of samples from Yemeni and Sri Lankan cohorts oleh Nezar Al-hebshi, Manosha Perera, Irosha Perera, Deepak Ipe, Glen Ulett, David Speicher, Akram Nasher, Mohamed Maryoud, Husham Homeida, Ali Mohamed Idris, Tsute Chen, Newell Johnson