@article{hbkup:/content/journals/10.5339/qmj.2000.2.31, author = "", title = "Advertisement 4", journal= "Qatar Medical Journal", year = "2000", volume = "2000", number = "2", pages = "", doi = "https://doi.org/10.5339/qmj.2000.2.31", url = "https://www.qscience.com/content/journals/10.5339/qmj.2000.2.31", publisher = "Hamad bin Khalifa University Press (HBKU Press)", issn = "2227-0426", type = "Journal Article", eid = "31", }