Continuous versus intermittent bolus infusion of calcium in preterm infants receiving total parenteral nutrition: a randomized blind clinical trial.

"Declarations Ethics approval and consent to participateThe trial has been approved in the Iranian Registry of Clinical Trials (http://www.irct.ir) with the identification No. IRCT20210913052466N1. The study was found to be compatible with the Declaration of Helsinki on ethical principles for medical research and were approved by the Ethics Committee of Tabriz University of Medical Science with reference number 1400.501. Written informed consent was obtained from all eligible parents of infants. Consent for publicationNot Applicable. Competing interestsThe authors declare that they have no conflicts of interest. Competing interests The authors declare that they have no conflicts of interest."

"Funding This study was funded by the Pediatric Health Research Center, Tabriz University of Medical Sciences, Tabriz, Iran."

"Trial registration The Iranian Registry of Clinical Trials (http://www.irct.ir) with the identification No. IRCT20210913052466N1."