https://scholar.google.com/scholar?hl=en&q=ali+balbaid&btnG=&as_sdt=1%2C5
https://www.ncbi.nlm.nih.gov/pubmed/?term=ali+abdullah+balbaid
https://www.ncbi.nlm.nih.gov/pubmed/?term=ali+balbaid
https://www.dovepress.com/search_results.php?search_word=ali+balbaid