Children's Hospital of Philadelphia
The hospital is located next to the University of Pennsylvania and its physicians serve as the pediatrics department of the Perelman School of Medicine at the University of Pennsylvania . 
<triplet> University of Pennsylvania <subj> Perelman School of Medicine <obj> subsidiary <triplet> Perelman School of Medicine <subj> University of Pennsylvania <obj> part of <subj> University of Pennsylvania <obj> part of <triplet> University of Pennsylvania <subj> Perelman School of Medicine <obj> subsidiary