In this cross-sectional study, a stratified random sampling method (figure 1) was used to select 3000 participants from the population of Koriyama City, Fukushima Prefecture, Japan, using the Japanese ...

In this paper, we present for the first time the use of an optical imaging technique that we have developed to map systematic and random variability effects across several phases of development of a ...

In these studies, sampling techniques included random sample of primary or specialty care centres, review of electronic medical records or insurance records and medical surveys administrated to entire ...

What's considered "normal" varies widely between cultures and families. For example, direct eye contact is respectful in the U.S. but can be seen as aggressive in some Asian cultures.

Image credits: prefix_code_16309 #3 Multiple sources of noise at once. For example- tv is on, and someone also watching videos on their phone in the same room. I can’t breathe.

A specific value of duty cycle of an on-chip clock or signal often becomes of extreme significance in VLSI circuits like DRAM's, dynamic/domino pipelined circuits, pipelined analog-to-digital ...