BJR -- Bennedbæk et al. 74 (886): 905 Figure 3

Figure 3. Serum concentrations of ionized calcium ( ${blacksquare}$ ) and parathyroid hormone (PTH) (•) before ultrasound guided laser ablation of recurrent parathyroid tumour and at 1 month, 2 months, 3 months and 5 months into treatment. Interstitial laser photocoagulation (ILP) was given at 0 months, 1 month and 2 months. —, upper normal limit of serum ionized calcium; ......, upper normal limit of serum PTH.