Complex sentence: After immigrating to the United States in 1970, Chopra undertook a clinical internship at Muhlenberg Hospital in Plainfield, New Jersey, and completed his residency at the Lahey Clinic and the University of Virginia Hospital.
Split into simpler sentences: After immigrating to the United States in 1970, Chopra undertook a clinical internship at Muhlenberg Hospital in Plainfield, New Jersey. He then did a residency at the Lahey Clinic and the University of Virginia Hospital.