[Attendance in therapeutic-prophylactic institutes by patients prior to registration at medical examinations].
D006801:Humans; D008403:Mass Screening; D011635:Public Health Administration; D014586:USSR
Obrashchaemost' v lechebno-profilakticheskie uchrezhdeniia bol'nykh do vyiavleniia ikh pri tselevykh meditsinskikh osmotrakh.