[A method for the simultaneous study of the gastrointestinal tract in children].
Ostropolets
S S
SS
Ponomarenko
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AN
D002648:Child; D020698:Duodenoscopes; D004384:Duodenoscopy / Q000379:methods*; D020699:Gastroscopes; D005773:Gastroscopy / Q000379:methods*; D006801:Humans
Metodika odnomomentnogo issledovaniia zheludochno-kishechnogo trakta u deteĭ.