Boullosa, Daniel A The forgotten pieces of the high-intensity interval training puzzle. [electronic resource] - Sports medicine (Auckland, N.Z.) Aug 2014 - 1169-70 p. digital Publication Type: Letter; Comment ISSN: 1179-2035 Standard No.: 10.1007/s40279-014-0188-4 doi Subjects--Topical Terms: Adaptation, Physiological--physiologyAthletesAthletic Performance--physiologyEnergy MetabolismExercise--physiologyHumansOxygen Consumption--physiologyPhysical Endurance--physiology