A urine concentration test determines how well your kidneys are functioning. The test may be used to test your kidneys’ response to: too much fluid intake (water loading) too little fluid intake ...

In a recent study posted to the medRxiv* server, a team of researchers investigated how antigen concentration and viral load in different specimen types affected the performance of severe acute ...

A new method to assess bronchial responsiveness (BR) using a single concentration methacholine has already been validated in adults with asthma1. Since the geometrical dimensions of the airways in ...