Article 12 blood examination human 12 Humans 9 male 9 Hematologic Tests 8 controlled study 8 adult 7 female 7 major clinical study 7 aged 6 Male 5 human cell 5 middle aged 5 Adult 4 Female 4 Leukocytes 4 Middle Aged 4 blood 4 leukocyte 4 Aged 3 C reactive protein 3 China 3 devices 3 hemoglobin 3 leukocyte count 3 metabolism 3 pathology 3 procedures 3 retrospective study 3