Respiratory epithelial adenomatoid hamartoma (REAH) is an uncommon lesion of the upper aerodigestive tract. It usually presents as a nasal or as a sinus or naso
Inguinal hernia is one of the commonest medical problems in Africa and the treatment via open repair is considered as one of the most affordable and secure proc
In order to overcome the difficulty in solving the boundary value problem of electrostatic field with complex boundary and to give a new method for solving the
This study investigated the effectiveness of spatial-visualization-based instruction on the mathematical problem-solving performance of 35 mathematics education