There's a push to address potential issues with calls made by the child protection unit at Auckland's Starship hospital.

A Newsroom investigation's looked into the team responsible for providing a medical perspective on whether parents have abused their children.

International experts repeatedly found these doctors didn't consider other explanations, like severe vitamin D deficiencies, or injuries sustained during birth.

Newsroom investigative journalist Melanie Reid says these cases escalate quickly - so accountability's needed.

"There needs to be a big, wide ranging review of what is going on, because there's so many cases."

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