How to use ‘a group of’ in a sentence

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… be-tween the time the sample is collected and the test is per-formed at a laboratory (1 – 9). Mourad (7) has reported the effect of prolonged storage on a group of erythrocytic enzymes at 4 #{ 176 }C,- 120 #{ 176 }C,and- 170 #{ 176 }C. The…

We investigated the serum concentration of vascular endothelial growth factor (VEGF) and its two soluble receptors, sVEGFR- 1 and sVEGFR- 2, in a group of 60 patients with systemic lupus erythematosus (SLE), and 20 healthy controls, using…

We investigated the serum concentration of total metalloproteinase- 9 (tMPP- 9), active MMP- 9 (aMMP- 9), and tissue inhibitor of metalloproteinase- 1 (TIMP- 1) in a group of 41 patients with SLE and 20 healthy controls. Serum levels of…

We investigated the risk factors for pulmonary hypertension (PH) in patients receiving maintenance peritoneal dialysis (MPD). A group of 180 end-stage renal disease patients (124 men and 56 women; mean age: 56. 43 ± 8. 36) were enrolled in…

… exercise in road cyclists with and without diagnosed left ventricular hypertrophy. M-mode and two-dimensional Doppler echocardiography was performed in 30 professional male endurance athletes and a group of 14 healthy untrained subjects using a…

… are all worthy of genus-level rank within this subfamily. We propose the use of Enixotrophon for a group of species currently classified in Pagodula. The results also support a new taxonomic arrangement in Haustrinae…

We investigated the relationship between renal function, blood pressure variability (BPV), and nitric oxide (NO) in a group of African Americans with normal or mildly impaired renal function. 24 -hour ambulatory blood pressure monitoring…

… cortisol measurements and subjective fatigue ratings, and were scanned (functional magnetic resonance imaging) during memory encoding and recognition tasks in fatigue and control conditions. A group of 15 ‘responders’ showed significantly…

We investigated the relationship between glucose tolerance and birth weight in a group of 7 -year-old black South Africans on whom longitudinal anthropometric data were available. Oral glucose tolerance tests (OGTT’s) were carried out on…

We investigated the relationship between balance and cognitive level in a group of 70 women with no definite Alzheimer’s disease or mild cognitive impairment diagnosis and no impairment of daily activity. Static stabilometry and the…

We investigated the relationship between a change in sleep quality and facial emotion recognition accuracy in a group of mentally-disordered inpatients at a secure forensic psychiatric unit. Patients whose sleep improved over time also…

… healthy children aged 6 – 7 years and 8 – 12 years respectively, while a group of adolescents (13 – 17 years) and adults (18 – 34 years) allowed for consideration of childhood development in the broader context of motor maturation. A group of children…

… trauma endures. KEY WORDS: holocaust; PTSD; refugee; old age. Fifty-five years after the end of the Second World War, we examined psychological and social functioning in a group of aged holocaust survivors. Early studies of younger survivors established that posttraumatic symp-toms, psychological morbidity, and poor physical healt…

HCG and > 6 days for AFP. In addition, we separated patients into those with half-lives > 6 days for HCG and those with half-lives > 10 days for AFP to examine whether these long half-lives were associated with a poor prognosis. A group of 669…

We investigated the processing of violations of the verb position in Dutch, in a group of healthy subjects, by measuring event-related potentials (ERPs) through electroencephalography (EEG). In Dutch, the base position of the verb is…

We investigated the processes involved in an instance of group creativity by conducting a pilot study that looked closely at a group of expert musicians creating musical compositions over a period of time. We used Distributed Cognition…

We investigated the prevalences of human papillomavirus (HPV) of type 6, 11, 16, 18, 31, 33, 35 and 42 in 276 cervical tissue samples biopsied from a group of North-Italian women in which a HPV infection of the cervix had been suspected.

We investigated the prevalence and distribution of Needlestick and Sharps Injuries (NSI) among a group of Australian medical undergraduates from 4 consecutive grades. Data was obtained by means of an anonymous, self-reporting survey. A…

… occurring during the stage 2 of the sleep. 1 Introduction Sleep spindles are specific phenomena of electroencephalograms (EEG), (i. e. recordings of the electrical activity of the brain) during sleep. They may by defined as a group of rather…

… brain) during sleep. They may by defined as a group of rather broad frequency (11. 5 – 15 Hz) oscillations with evidence for variability and heterogeneity [15]. Occurrence of sleep spindles is one criterion of standard criteria of sleep stages classification defined 30 years ago […] …

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