Several graphical techniques for checking the proportional-hazards assumption of Cox's semiparametric regression model for censored survival data are discussed, and some numerical tests to support the ...

Apple's iPhone Air is an ultra-thin device powered by the A19 Pro, C1X modem, and N1 wireless chip. It's a new alternative ...

Phosphatidylethanol reveals substantial underestimation of alcohol intake, especially in those with a history of excessive alcohol consumption. Incorporating phosphatidylethanol into diagnostic ...

Do you know a trailblazing woman in rail? Nominate a colleague (or yourself) who is paving the way for others to make a career in the industry. • The nominee must be located within the 50 states, ...

After the incredible success of Olink Proteomics World 2024—which brought together over 20 global speakers across three dynamic tracks— we’re returning with more to explore, learn, and share. Olink ...