Health economics: direct cost of osteoporotic hip fracture in Egypt—an analysis for the Egyptian healthcare system by the Egyptian Academy of Bone Health oleh Yasser El Miedany, Maha El Gaafary, Naglaa Gadallah, Safaa Mahran, Nihal Fathi, Mohammed Hassan Abu-Zaid, Samar abd Alhamed Tabra, Radwa H. Shalaby, Belal Abdelrafea, Waleed Hassan, Osama Farouk, Mahmoud Nafady, Ahmed Mohamed Farghaly, Shereef Ibrahim Mohamed Ibrahim, Mohamed Abdelfattah Ali, Karim Mohamed Elmaradny, Sally Eskandar Saber Eskandar, Walaa Elwakil