TY - JOUR T1 - Have you ever wondered? JF - Saudi Medical Journal JO - Saudi Med J SP - 594 LP - 595 VL - 21 IS - 6 AU - Robert M. Bannatyne Y1 - 2000/06/01 UR - http://smj.org.sa/content/21/6/594.abstract N2 - 300 Multiple ChoicesThis is a pdf-only article and there is no markup to show you.full-text.pdf ER -