[Patterns in the distribution of epidemic parotitis in the USSR].
D000367:Age Factors; D002980:Climate; D005843:Geography; D006801:Humans; D009107:Mumps / Q000453:epidemiology*; D010507:Periodicity; D012424:Rural Population; D014586:USSR; D014505:Urban Population
K voprosu o zakonomernostiakh rasprostraneniia épidemicheskogo parotita v SSSR.