[CLINICAL AND EPIDEMIOLOGICAL RESEARCH ON THE EVOLUTION TOWARD CHRONICITY OF ACUTE EPIDEMIC HEPATITIS].
D003141:Communicable Diseases; D058872:Epidemics; D016021:Epidemiologic Studies; D006505:Hepatitis; D006506:Hepatitis A; D006801:Humans
HEPATITIS; HEPATITIS, INFECTIOUS
CERCET ARI CLINICE  SI EPIDEMIOLOGICE CU PRIVIRE LA TRECEREA  IN CRONICITATE A HEPATITEI ACUTE EPIDEMICE.