[Time periods for issuing hospital certificates (with reference to the article by N. I. Gavrilov et al.)].
D004185:Disability Evaluation; D006739:Hospital Administration / Q000592:standards*; D007902:Length of Stay / Q000639:trends*; D014586:USSR
O srokakh vydachi bol'nichnykh listov (po povodu stat'i N.I. Gavrilova i soavt.).