Of the remaining 152 studies, duplicates between various searches were removed, leaving 98 studies.
We excluded animal studies, duplicates, summaries, commentaries, editorials, case reports, studies that conducted outside United States, and studies published before last 7 years or studies with data collection take place before last 10 years 20022).
Also excluded were genetic and molecular studies, development/evaluation of diagnostic techniques, vaccine studies, duplicated data, or articles written in a language other than English.
Of these, two studies duplicated data on subjects from other included studies (de Lint and Schmidt, 1970, Martin et al., 1985a).
The MGRS study enrolled economically advantaged children who had been breastfed as infants. 1 3 We strove to find studies duplicating these conditions.
Following the identification of studies, duplicates will be removed and three levels of screening will be conducted by two independent reviewers, using standardized forms.
The motivation behind studying duplicate transmissions in ad hoc OR protocols can be justified as follows.
In this study, duplicate wells were used to detect urine sCD163 concentrations.
In the present study, duplicate sea bream PAC1 genes (sbPAC1A and sbPAC1B) have been isolated and functionally characterised.
For the purpose of this study, duplicate isolates from the same patient (as determined by their antimicrobial drug susceptibility phenotype) were excluded.
