Congenital leukemia: two transient regressions without treatment in one patient.

摘要: To the Editor.— I have some questions about Pantell and Goodman9s article on adolescent chest pain. Was there any urine testing for cannabinoids? Were inquiries regarding use of marijuana? It9s not unusual teenagers to smoke this drug exclusively. In my pediatric practice, seen several adolescents with left-sided or substernal pain, in instances accompanied chronic cough. The roentgenograms chest, EGG, tuberculosis tests, other routine laboratory tests were negative, including skin respiratory allergies a few.