[Hygiene problems in the country in relation to the concentration and transition of animal husbandry to an industrial basis].
D000822:Animal Husbandry; D004782:Environmental Health; D009787:Occupational Medicine; D012423:Rural Health; D014586:USSR
Problemy gigieny na sele v sviazi s kontsentratsieĭ i perevodom shivotnovodstva na promyshlennuiu osnovu