study,survey
[DE] Studie
[EN] study, survey
[FR] Étude
[VI] Học
treat,study,examine
[DE] behandeln
[EN] treat, study, examine
[FR] traiter
[VI] điều trị
examination,investigation,study
[DE] Untersuchung
[EN] examination, investigation, study
[FR] Enquête
[VI] Điều tra
explore,study,investigate,research
[DE] erkunden und erforschen
[EN] explore, study, investigate, research
[FR] explorer et rechercher
[VI] khám phá và nghiên cứu