The Abnormal Pneumoencephalogram

Normal Abnormal Normal Abnormal

reference electrode (3). The ionized calcium concentration of sequential retentates prepared by ultrafiltration of a human control serum increased with increasing protein concentration in a way consistent with Donnan theory (4, 5) when the analyzers’ standard reference-electrode liquid junctionswere used; however, the ionized calcium in the same retentates declined slightly with increasing prot...

Detecting the Abnormal : Machine

Two problems of importance in computer security are to 1) detect the presence of an intruder masquerading as the valid user and 2) detect the perpetration of abusive actions on the part of an otherwise innocuous user. In this paper we present a machine learning approach to anomaly detection, designed to handle these two problems. Our system learns a user pro le for each user account and subsequ...

The Endoscopically Abnormal Esophagus

The endoscopic abnormalities that may be seen in association with esophageal disorders are numerous, varying from subtle alterations in the esophageal mucosal surface to large ulcers or masses. This discussion will be focused on a few commonly encountered entities in which clinical, endoscopic and histologic correlation are critical for establishing a correct diagnosis. These include gastroesop...

The Abnormal in Obstetrics

The Abnormal Hemoglobin Syndromes

By IRwIN 1\i. WEINSTEIN, CARROLL L. SPURLING, HERMAN I’tLEIN AND THOMAS F. XECHELES I x PREVIOUS PUBLICATIONS,’ ,2 1e have reported that tagging human erythrocytes with radioactive chromium in the form of Na2Cr”O4 affords a simple, rapid and reproducible method for studying the survival of erythrocytes in normal subjects and patients with various hernatologic disturbances. By this method the on...