منابع مشابه
EHPnet: The Ecotourism Society
The World Tourism Organization has estimated that over 595 million people traveled internationally in 1997. Although tourism overall has been growing at an annual rate of 4%, nature travel, also known as ecotourism, is increasing at an estimated annual rate of 10-30%. The Ecotourism Society (TES) of North Bennington, Vermont, was founded in 1990 as a tool for both consumers and ecotourism profe...
متن کاملEHPnet.
After attending the sarcoma session of the 1990 meeting of the American Society for Clinical Oncology, one might be forgiven for wondering if chemotherapy for metastatic soft tissue sarcoma (STS) has come a full circle. It is 18 years since the South West Oncology Group (SWOG) published results of the first large scale study of doxorubicin (ADR) (O'Bryan et al., 1973). In 45 evaluable patients ...
متن کاملanalysis of power in the network society
اندیشمندان و صاحب نظران علوم اجتماعی بر این باورند که مرحله تازه ای در تاریخ جوامع بشری اغاز شده است. ویژگیهای این جامعه نو را می توان پدیده هایی از جمله اقتصاد اطلاعاتی جهانی ، هندسه متغیر شبکه ای، فرهنگ مجاز واقعی ، توسعه حیرت انگیز فناوری های دیجیتال، خدمات پیوسته و نیز فشردگی زمان و مکان برشمرد. از سوی دیگر قدرت به عنوان موضوع اصلی علم سیاست جایگاه مهمی در روابط انسانی دارد، قدرت و بازتولید...
15 صفحه اولEHPnet: The Inside Story
The wealth of transcript information that has been made publicly available in recent years has led to large pools of individual web sites offering access to bioinformatics software. However, finding out which services exist, what they can or cannot do, how to use them and how to feed results from one service to the next one in the right format can be very time and resource consuming, especially...
متن کاملEHPnet: On the Air
Background: Unhealthy lifestyle choices tend to cluster, but controversy remains regarding relationships between smoking and dietary habits. The aim of this study was to compare dietary intake and alcohol consumption, according to smoking status, in the Portuguese population. Methods: The study sample included all participants in the third Portuguese National Health Survey who were older than 1...
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ژورنال
عنوان ژورنال: Environmental Health Perspectives
سال: 2000
ISSN: 0091-6765,1552-9924
DOI: 10.1289/ehp.108-a211