[Antethoracal cutaneous esophagus--after 50 years].
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Aged↗
Biomedical subjects
N Helsingen
Publications and source records attributed to N Helsingen.
[Hernia hiatus oesophagi. From the Central Hospital in Akershus].
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Esophagus↗
Adaptation of vitamin B12 absorption after ileal bypass.
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Feces↗
[Partial ileal by-pass. Surgical treatment of hypercholesteremia].
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Adult↗
[Familial polyposis of the colon in Norway].
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Adolescent↗
Tumour implantation in colon surgery. The effect of everted versus inverted type of anastomosis. An experimental study in rats.
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Animals↗
[Intubation of the oesophagus in inoperable cancer].
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Cardia↗
[The tutorial system in British surgical education].
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Education, Medical, Graduate↗
[The new grouping of hospitals for the education of specialists. A contribution to the disussion].
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Education, Medical↗
[Malabsorption following intestinal resection for Crohn's disease].
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Adult↗
[Hiatal hernia--oesophagitis--stricture of the oesophagus].
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Esophageal Stenosis↗
[Rectal polyps. Histological and surgical aspects].
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Cystadenoma↗
Achalasia cardiae: results of Heller's operation. A clinical study of 55 patients.
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Adolescent↗
[Clinical measurement of central venous pressure].
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Blood Pressure Determination↗
Long-term observation of gastrectomized rats with regard to development of vitamin B12 deficiency.
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Anemia, Macrocytic↗
Gastroesophageal reflux as a complication of the Heller operation.
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Adolescent↗