بیولوژی ،اکولوژی کژدم ها و پیشگیری از گزش آنها فرمت فایل: پاورپوینت تعداد اسلاید:63 بخشی از متن Scorpion stings are a major public health problem in many underdeveloped tropical countries, especially Africa, South India, the Middle East, Mexico, and South Latin America. The estimated annual number of scorpion stings is 1.2 million. An estimated 5000 deaths occur annually from scorpion stings worldwide جفت گیری جفت گیری معمولا در طو ...