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> Ph.D. Roger J. Callahan
Ph.D. Roger J. Callahan
title
ISBN-13
(ISBN-10)
year of publication
Five Minute Phobia Cure: Dr. Callahan's Treatment for Fears, Phobias and Self-Sabotage
978-O-913864-89-O
(O-913864-89-7)
1985
D. J.
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(D-R)
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P.J.
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P R
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Ph.D.
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R.J.
Ph.D., Roger J Ingham