Fragile X disorders include two distinct conditions: fragile X syndrome (the most common single-gene cause of developmental ...

The Forth Bridge is the culmination of its typology, scarcely repeated but widely admired as an engineering wonder of the world. Criterion (i): The Forth Bridge is a masterpiece of creative genius ...

Background Current guidelines for aortic valve replacement (AVR) lack consensus on prosthesis selection in middle-aged patients. This study aimed to provide a comprehensive comparison of long-term ...