During this time, he wrote a famous article "A phenomenological analysis of symptoms in obsessive-compulsive neurosis". He moved to the United States in 1973 and repeated his psychiatric training at the University of Virginia Medical Center in 1976.
He authored a significant article on "Phenomenology of Obsessive-Compulsive Neurosis Symptoms". He relocated to the United States in 1973 and returned for further psychiatric training at the University of Virginia Medical Center in 1976.