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(CNN) — Denise Peraza was shot during the San Bernardino mass shooting. Her sister talks about a phone call she received from Peraza during the shooting.

MORE: Names of victims in San Bernardino shooting to be released soon

Names of some of the 14 people killed in the San Bernardino, California, mass shooting may be released late Thursday, authorities said.

A man and woman entered the conference center at the Inland Regional Center on Wednesday morning and began firing automatic weapons at a group of environmental health department employees attending a holiday party.

Fourteen people were killed and 21 were wounded, authorities have said. Police later killed the couple, Syed Rizwan Farook and his wife, Tashfeen Malik, in a shootout.

Many of the people killed have been identified and some of the family notifications have already been made, San Bernardino Police Chief Jarrod Burguan said Thursday morning at a press briefing. Some of the bodies had not been removed from the conference center on Thursday, he said.

The chief said the names of the dead may be released Thursday.

At least 10 people were still hospitalized Thursday morning, split evenly between Arrowhead Regional Medical Center and Loma Linda University Medical Center.

Loma Linda hospital CEO Kerry Heinrich said two victims there were in critical condition.

A San Bernardino police officer was shot in the leg and should be released from the hospital soon, Burguan said. A sheriff’s deputy suffered cuts to the legs because of broken glass and shrapnel, he said.

CNN’s Greg Botelho contributed to this report.