@proceedings {63601,
	title = {S{\'e}roconversion HBs spontan{\'e}e chez les porteurs chroniques du VHB suivis au service d\&rsquo;infectiologie de Batna.},
	journal = {4{\`e}me conf{\'e}rence internationale d{\textquoteright}infectiologie},
	year = {2019},
	month = {2019},
	address = {Oran, Algeria},
	author = {Soraya, Tebbal}
}
