[Is sanitary classification of industry necessary? (in relation to the article by Iu. V. Zhdanovich)].
D008462:Meat-Packing Industry / Q000592:standards*; D011635:Public Health Administration; D014586:USSR
Nuzhna li sanitarnaia klassifikatsiia proizovodstva? (po povodu stat'i Iu. V. Zhdanovich)