TY - GEN AU - Thureen,P J AU - Phillips,R E AU - Baron,K A AU - DeMarie,M P AU - Hay,W W TI - Direct measurement of the energy expenditure of physical activity in preterm infants SN - 8750-7587 PY - 1998///0817 KW - Algorithms KW - Calibration KW - Calorimetry, Indirect KW - Carbon Dioxide KW - blood KW - Energy Metabolism KW - physiology KW - Humans KW - Infant, Newborn KW - Infant, Premature KW - Models, Biological KW - Movement KW - Oxygen Consumption KW - Sleep N1 - Publication Type: Clinical Trial; Journal Article; Research Support, Non-U.S. Gov't; Research Support, U.S. Gov't, P.H.S UR - https://doi.org/10.1152/jappl.1998.85.1.223 ER -