What is it called when scientists carefully examine a new result by someone else in this field of study

In this experiment, the was intentionally manipulated. it is the independent variable. the dependent variables that were measured were the

Acell in the human nervous system whose primary function is to form myelin and the blood-brain barrier, respond to injury, remove debris, and enhance learning and memory is called a(n) cell.

Apatient has an open displaced fracture of the second cervical vertebra. this is her fifth visit and the fracture is healing normally. what icd-10-cm code is reported?