Poor prognostic factors of lupus nephritis oleh Khawla Kammoun, Faigal Jarraya, Lamia Bouhamed, Mahmoud Kharrat, Saloua Makni, Mohamed Ben Hmida, Hafedh Makni, Neila Kaddour, Tahia Boudawara, Zouhir Bahloul, Jamil Hachicha