Johnson Lf

Twenty-four-hour pH monitoring of the distal esophagus. A quantitative measure of gastroesophageal reflux.

Johnson Lf, Demeester Tr, 1974 .

Localized proximal esophagitis secondary to ascorbic acid ingestion and esophageal motor disorder.

Johnson Lf, Waugh Df, Walta Dc, 1976 .

Position of the distal esophageal sphincter and its relationship to reflux.

Johnson Lf, Demeester Tr, 1975 .

Reflections on Reflux Gastritis

Johnson Lf, Boyce Hw, F. Watson, 1979 .

The department of otolaryngology.

Johnson Lf, 1952 .