human 83 Humans 58 Mixing 52 female 46 male 45 adult 39 controlled study 34 Article 33 Mixed methods 33 article 32 Female 26 Male 24 child 21 Child 17 nonhuman 16 Adult 14 Integer programming 14 major clinical study 14 mixed dentition 14 Ecosystems 13 Mixed method 13 Mixed convection 12 mixed methods 12 procedures 12 Dentition, Mixed 11 Malaysia 11 adolescent 11 randomized controlled trial 11 China 10 Forestry 10