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LATE SUMMER TYPE. Patients whose hay fever develops in mid-August and continues until frost should be tested with the pollens of such weeds as ragweed, goldenrod and the related sunflower. Also with the pollen of the one important late flowering grass, viz. corn, if exposed to same. Together with any pollen of local importance, such as alfalfa in some sections or cockleburr in others.

PATIENTS WHOSE HAY FEVER CONTINUES beyond, the pollinating seasons-even into the winter should be tested with bacterial proteins to locate a possible secondary sensitization of this type.

For those who react to bacterial proteins, specific bacterial vaccines are indicated as supplementary treatment.

ARLCO-POLLEN EXTRACTS

For Cutaneous Tests and Treatment cover Early and Late Spring also Summer and Autumn.
Literature and List of Pollen Extracts and Specific Bacterial Vaccines on request.

THE ARLINGTON CHEMICAL CO.

Yonkers, New York

7832

Gastron

A new gastric-gland extract (alcohol free)

Affords a means of fortifying and promoting gastric function under clinical conditions. It is qualified for this service by the fact that it is a complete gastric-gland extract, actually representative of the gastric gland tissue juice in all its properties and activities-activating, digestive, antiseptic.

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LOWY LABORATORY, Inc., 361 Plane St., Newark, N. J.

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Current Literature Department

ABSTRACTORS.

GERARDO M. BALBONI, M.D. GEORGE G. SMITH, M.D. LAURENCE D. CHAPIN, M.D. WILLIAM D. SMITH, M.D. JOHN B. HAWES, 2D, M.D. LESLEY H. SPOONER, M.D. EDWARD H. RISLEY, M.D. WILDER TILESTON, M.D.

SURGERY.

EMPYEMA.

Six articles (Ann. of Surg., July, 1920) by DRS. ASHHURST, BUNTS, MARTIN, HENER, LILLIENTHAL, OCHSNER and SCHNEIDER furnish an excellent symposium on this subject.

Ashhurst's article of 53 pages is well presented. graphically illustrated by cuts and case reports. His summary is concise.

Bunts deals with the disease in young adults. Martin writes mostly of the etiology and Hener on the treatment of the chronic forms.

Ochsner's paper is not strictly on empyema, but rather of post-operative pulmonary thrombosis.

[E. H. R.]

SURGERY OF CANCER OF THE LARGE INTESTINE.

BACON, A. D. (Jour. A. M. A., July 31, 1920) writes a very clear and concise article on this subject. He emphasizes the importance of careful pulmonary x-ray work, the advantages of the two-stage operation when there are any symptoms of obstruction, the advantages of lateral anastomosis of the large bowel over any other technic, the technic of colostomy and its later closure and the general operative technic of removal. The article is a valuable one. [E. H. R.] ROENTGENOGRAPHIC APPEARANCE, DIAGNOSIS, AND PATHOLOGY OF SOME OBSCURE CASES OF BONE LESIONS.

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LOVETT, R. W.. AND WOLBACH, S. B. (Surg., Gyn.. and Obstet., August, 1920) present a beautifully illustrated article, presenting many detailed case reports and pathological examinations. They state that the diagnosis of infectious lesions of the bones would be simple if each infectious agent always produced the same reaction. The pyogenic bacteria alone may be counted on to conform to type. This is represented by primary destruction followed by repair and new bone formation.

Syphilis effects bone in two ways: both effects of the proliferative reaction of the causal agent and results either in bone destruction or the new formation of bone. Tuberculosis presents a more varied picture. The lesson to be drawn from a study of the series is the reminder that tuberculosis in bone may simulate any other infectious process in location and, character of the lesion. Diagnosis, therefore, from x-ray studies alone is occasionally impossible and recourse must be had to other clinical evidence and when possible, to pathological examination. This is well illustrated by case reports.

The article is one of distinct value and interest. [E. H. R.]

AMPUTATION OF THE LEG.

BORCH GREVNIK, O. (Ann. of Surg., June, 1920) discusses learnedly the weight-bearing surfaces in amputated lower legs, and strongly advocates the removal of the head of the fibula to improve the distribution of weight-bearing surface. He describes in detail his method of removal. Stumps thus treated are nontender and prostheses need less constant attention. The procedure seems rational. [E. H. R.]

(Continued on page vi.)

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