Diagnostic Labs Market Forecast to 2028 - COVID-19 Impact and Global Analysis By Lab Type (Single/Independent Laboratories, Hospital-Based Labs, Physician Office Labs, And Others), Testing Services [Physiological Function Testing (ECG, Echo, X-ray, Endoscopy, CT, MRI, and Others), General and Clinical Testing, Esoteric Testing, Specialized Testing, Non-invasive Prenatal Testing, COVID-19 Testing,