3D and 4D ultrasounds are optional. They're not standard prenatal tests. Doctors often give them as a courtesy to women who want them. Not all doctors have access to 3D or 4D ultrasounds. Also, your ...

The prevalence of lifestyle diseases, such as diabetes, cardiovascular disease, cancer, and neurological disorders, has increased due to the rising geriatric population, changing lifestyle, and ...

Piezoelectricity in native bones has been well recognized as the key factor in bone regeneration. However, the current additive-manufactured scaffolds mainly focus on the reconstruction of bionic ...