The human cost of the latest Israeli offensive was exemplified for Dr Perlmutter by two 15-year-olds - including the girl on the bicycle - who were brought into the operating room in each of the hospitals he was working in, a week apart. "They were both macerated and shredded by Apache gunships," Dr Perlmutter says. The girl will, in his words, "be lucky if she keeps three of her limbs". Dr Perlmutter says that people at the scene told the ambulance crew who brought the young girl into the hospital that she was hit by gunfire from an Israeli military helicopter. He says that she had been riding her bicycle by herself and she arrived at the hospital without a backpack or anything else that might have aroused suspicion. Graphic images from the operating table show catastrophic wounds to her leg and arm. The boy was driving in a car with his grandmother after receiving warnings to evacuate from the north, Dr Perlmutter says. "Then the car was attacked by two Apache gunships. The grandmother was shredded at the scene and died," he said. "The boy came in without a foot on his right side, the vascular repair on his left side took five hours - the nerve repair on his left side failed and he had a blackened hand the next day that required amputation at the level of his elbow - his left leg will require multiple surgeries for reconstruction and he has a chest wound. He may not have survived." Dr Perlmutter has also provided graphic photos of the boy's wounds. In a statement, the Israel Defense Forces (IDF) said it "does not target uninvolved individuals." "The IDF operates in accordance with international law, targeting only military objectives while taking feasible measures to mitigate harm to civilians," it told the BBC. The statement also said that the IDF had not been provided with "sufficient information" to directly address the incidents that Dr Perlmutter described. "The IDF takes action to address irregular incidents that deviate from its orders. The IDF examines such incidents and takes appropriate measures where justified," it said.