International relations 250 human 214 Humans 146 female 127 male 123 Article 117 International law 109 adult 106 Politics & government 97 Education 76 controlled study 74 Female 72 major clinical study 68 article 67 Male 65 International trade 62 International economics 61 Political science & theory 45 middle aged 45 internal consistency 44 Adult 43 child 42 Malaysia 41 RC Internal medicine 41 adolescent 38 questionnaire 38 COVID-19 37 Economics 37 Political economy 37 Child 34