[MAJOR PROBLEMS OF HELMINTHOLOGICAL SCIENCE AND PRACTICE AT THE  PRESENT STAGE OF HISTORY].
D006373:Helminthiasis; D006801:Humans; D007109:Immunity; D011634:Public Health; D012586:Science; D014730:Veterinary Medicine
HELMINTHIASIS; IMMUNITY; PUBLIC HEALTH; VETERINARY MEDICINE
OCHEREDNYE ZADACHI GEL'MINTOLOGICHESKOI NAUKI I PRAKTIKI NA DANNOM ISTORICHESKOM 'ETAPE.