by Noah, Shahrul A, Abdullah, Siti Norulhuda, Shahar, Suzana, Abdul-Hamid, Helmi, Khairudin, Nurkahirizan, Yusoff, Mohamed, Ghazali, Rafidah, Mohd-Yusoff, Nooraini, Shafii, Nik Shanita, Abdul-Manaf, Zaharah
Published in Journal of medical Internet research (30.01.2004)