TY - JOUR T1 - Comparison of lung ventilation volume measurements made with single and separate breath-hold hyperpolarized 3-helium and proton MRI JO - EUROPEAN RESPIRATORY JOURNAL PY - 2013/09/01 AU - Janoff S AU - Marshall H AU - Leung G AU - Parra-Robles J AU - Xu X AU - Siddiqui S AU - Brightling C AU - Wild J ED - VL - 42 Y2 - 2025/01/13 ER -