In the epidemiological literature, however, insomnia tends lớn be defined using a variety of approaches, ranging from rigorous diagnostic algorithms, to single questionnaire items. A more rigorous analysis of the epidemiological impact of vaccination for meningococcal disease is essential for proper health economic estimates. Các ý kiến của các ví dụ ko thể hiện ý kiến của những chỉnh sửa viên Cambridge Dictionary hoặc của Cambridge University Press xuất xắc của những bên cấp phép. The different epidemiological methods may be ranked in the oftenused hierarchy of evidence and research thiết kế. The retìm kiếm targets for sound health economic evaluation are limited by a laông xã of epidemiological evidence & treatment options. An epidemiological investigation was conducted to determine the source of infection and mode of transmission using a structured questionnaire. The underlying tương tác patterns which give sầu rise khổng lồ the different rates of infection by age cannot be directly inferred from epidemiological data. Cases for which an epidemiological link was established to a case outside the original household were excluded. Despite the laông chồng of a standardized approach, direct molecular detection and identification of enteroviruses is an efficient epidemiological tool. In general the kind of variables which we have studied have sầu been found related khổng lồ psychiatric disorders in epidemiological prevalence studies. Cut-offs have been validated in clinical & epidemiological studies ; a score above sầu 0n9 indicates the probable presence of hyperactive behaviour. This paper describes the outbreak"s epidemiological investigation, referring to lớn other investigations, & control measures, where appropriate. The thử nghiệm is suitable for specific diagnosis, epidemiological studies, monitoring the drug treatment and even an eradication programme for all host ranges of the parasite. This stable symptomatology included the stable absence of disorder shown by most subjects in our study, which is of lesser epidemiological or clinical relevance.

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