[Etiopathogenic aspects of chronic gastritis].
D000367:Age Factors; D002908:Chronic Disease; D005260:Female; D005756:Gastritis / Q000209:etiology*; D006801:Humans; D008297:Male; D012737:Sex Factors; D012959:Socioeconomic Factors
Aspectos etiopatogénicos de las gastritis crónicas.