Fig. 4From: Quantitative measurement of 219Rn radioactivity in exhaled breath from patients with bone metastasis of castration-resistant prostate cancer treated with 223RaCl2Typical γ-ray spectrum obtained for breath bag measurements using an HPGe detector. Administration dose, 3.8 MBq; breath sampling time, 5 min after the start of administration; measurement start, a 17 min and b approximately 4 h after the end of breath collectionBack to article page