Bibliography Validations Annotated bibliography Product bibliography Validations Quark CPET K5 Quark RMR Spiropalm BOD POD PEA POD Q-NRG Innocor LCI Annotated bibliography Indirect Calorimetry in critically ill patients CPET in Cardiology and Cardiac Rehab Pulmonary Function Testing (PFT) Fractional Exhaled Nitric Oxide (FENO) Lung Clearance Index (LCI) Product bibliography K5 K4b2 Fitmate Quark CPET Quark RMR Pony FX Microquark Spiropalm BOD POD PEA POD