Share this postComing soonpeterbillingmd.substack.comCopy linkFacebookEmailNoteOtherComing soonPeter Billing MD FACSFeb 01, 2022Share this postComing soonpeterbillingmd.substack.comCopy linkFacebookEmailNoteOtherShareThis is Peter Billing MD FACS Newsletter, a newsletter about Metabolism, Weight Loss and Surgery.Subscribe