Send the following on WhatsApp
Continue to ChatPreoperative Parathyroid Hormone Levels in Gastric Bypass Patients Do Not Vary Seasonally But Do Correlate with Body Mass Index https://www.sages.org/meetings/annual-meeting/abstracts-archive/preoperative-parathyroid-hormone-levels-in-gastric-bypass-patients-do-not-vary-seasonally-but-do-correlate-with-body-mass-index/