Recurrent Acute Respiratory Tract Infections in Areas With High Nitrate Concentrations in Drinking Water.Published in:Environmental Health Perspectives, 2000, v. 108, n. 4, p. 363By:Gupta[1], Sunil Kumar;Gupta[2], R.C.;Gupta[3], A.B.;Seth[4], A.K.;Bassin[4], J.K.;Gupta[2], AlkaPublication type:Article