Autopsies on foreign nationals – Practical problems and solutions

Early Amniocentesis - Results, Dangers and Practical Problems

موضوع: هدف این گزارش ازریابی تجربیات آمنیوسنتز در هفته ۱۲ حاملگی و قبل از آن است. طرح مطالعه: گزارش پزشکی از ۹۳۶ بیمار در هفته ۱۲ / ۸ . حاملگی و قبل از آن که جهت بررسی ژنتیکی، آمنیوسنتز شدند از اول اکتبر ۱۹۸۶ تا ژوئن ۱۹۹۰ از لحاظ سن حاملگی - اندیکاسیون - تکرار آمنیوسنتز - مشکلات آمنیوسنتز و نتایج حاملگی ارزیابی گردیدند. نتایج: ۲ هفته بعد از آمنیوسنتز اسقط گزارش شد ( % ۰٫۷) ۲۱ سقط قبل از هفته ...

Implementing a Pension Reform: Practical Problems and solutions

Fighting Child Labor Abroad: Conceptual Problems and Practical Solutions

Child labor is a topic that evokes deep emotions and a growing international concern. Most recent ILO estimates show that some 211 million children between 5 and 14 are engaged in some form of economic activity, and 119 million of them are engaged in haz­ ardous work. The poverty implications of child labor are often transmitted from parents to children, a process that is called the dynastic po...

Estimator Variance in Reinforcement Learning: Theoretical Problems and Practical Solutions

In reinforcement learning as in many on line search techniques a large number of estimation parameters e g Q value estimates for step Q learning are maintained and dynamically updated as in formation comes to hand during the learning process Excessive variance of these estimators can be problematic resulting in uneven or unstable learning or even making e ective learning impossible Estimator va...

Solutions and Practical Problems in Gene Regulatory Network Inference

The inference of gene regulatory networks from mRNA expression data is characterized by the development of many different approaches with their specific performances , data requirements, and inherent biases. The recent community-wide DREAM challenge conducted a large assessment of inference approaches. The accuracy of predictions was evaluated against experimentally supported interactions in th...