Article History
Received: 4 June 2019
Accepted: 12 August 2019
First Online: 3 September 2019
Compliance with ethical guidelines
:
: H.M. Mikhail, A.A. Mohsen, and A.A. Mohsen declare that they have no competing interests.
: For this article, no studies with human participants or animals were performed by any of the authors. Informed consent was obtained from all patients for being included in the study. Consent included permission to use their tested factors (preoperative serum calcium and extent of surgery) and the outcome parameter (hospital stay) for this research study.