As the voices opposing Irina's existence become louder and louder, Lev comes up with a special plan to help overcome her fear of heights.
"Textbook of Psychiatry" 
"كتاب الطب النفسي"
Psychiatrie-Handbuch
LIBRO DE PSIQUIATRÍA
MANUEL DE PSYCHIATRIE
"Livro de Psiquiatria"
«Медицинская психология»