human 40 Humans 35 male 23 female 21 controlled study 18 LG Individual institutions 17 Article 16 Male 16 Female 15 adult 14 H Social Sciences (General) 11 article 11 nonhuman 11 procedures 10 child 9 treatment outcome 9 Child 8 TK Electrical engineering. Electronics Nuclear engineering 8 adolescent 7 Adolescent 6 Adult 6 COVID-19 6 middle aged 6 randomized controlled trial 6 SARS-CoV-2 5 Treatment Outcome 5 aged 5 cohort analysis 5 diagnostic imaging 5 major clinical study 5