[Bouginage in chemical burns of the esophagus in children].

851 children suspected to have chemical burn of the esophagus were treated from 1996 to 2000. Use of esophageal bouginage along the guiding string has changed medical policy for esophageal burns. We completely rejected early bouginage.

[Characteristics of histochemical diagnosis of Hirschsprung disease in newborn infants].

The authors had 52 newborns and infants with Hirschsprung's disease under observation. The activity of tissue acetylcholinesterase (ASE) was tested by the Karnovsky-Ruts method in 35 cases. ACE activity was evaluated according to 5 types and a specific "newborn" type was set apart.