Preoperative PTH levels are unreliable for predicting postoperative hypocalcemia because low levels of vitamin D lead to higher preoperative PTH levels due to secondary hyperparathyroidism. 17, 41 ...

Foreword The only time is now. Every “now” is unique. Responsible persons ask themselves, “How can I act well now?” The answers will differ for every person, because just as every situation is unique, ...