M. Yokogawa | Researchain

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Transactions of The Royal Society of Tropical Medicine and Hygiene | 1952

Studies on schistosomiasis V. Testing protective ointments against schistosomiasis by using schistosome dermatitis producing cercariae.

George W. Hunter; L. S. Ritchie; H. Tanabe; K. Nagano; C. Pan; M. Yokogawa

Abstract Six protective ointments selected for use against schistosomiasis were given field tests on 130 persons, using as the test organism the cercariae of the bird schistosome which causes “ koganbyo ” or lakeside disease. Those tested lived in an endemic area, and due to repeated exposures, year after year, had acquired a marked sensitivity, making them good subjects for such a test. With an 8-hour test period of work in rice paddies, copper oleate gave 95.5 per cent. protection, with dibutyl and dimethyl phthalate giving around 70 per cent., followed by N-II, N-I and benzyl benzoate in that order.

American Journal of Tropical Medicine and Hygiene | 1952

Studies on Schistosomiasis. VI. Control of the Snail Host of Schistosomiasis in Japan with Sodium Pentachlorophenate (Santobrite).

G. W. Hunter; R. E. Freytag; L. S. Ritchie; C. Pan; M. Yokogawa; D. E. Potts

Military Medicine | 1958

Immunological studies, II. Intradermal tests and their application in the field for the detection of schistosomiasis japonica, paragonimiasis and clonorchiasis.

G. W. Hunter; L. S. Ritchie; C. Pan; S. Lin; S. Sugiura; K. Nagano; M. Yokogawa

Japanese journal of medical science & biology | 1953

The Recovering of Paragonimus Eggs from Stools of Paragonimiasis Patients by AMS III Centrifuging Technic.

Yoshitaka Komiya; M. Yokogawa

The Japanese Medical Journal | 1951

Parasitological studies in the Far East. IV. An epidemiologic survey in Yamanashi Prefecture, Honshu, Japan.

G. W. Hunter; L. S. Ritchie; E. H. Kaufman; C. Pan; M. Yokogawa; N. Ishii; J. T. Szewczak; R. E. Weber; S. Asakura; Y. Hishinuma; F. Williams

Japanese journal of medical science & biology | 1956

Parasitological studies in the Far East. XII. An epidemiologic survey in Shizuoka Prefecture, Honshu, Japan.

Lawrence S. Ritchie; G. W. Hunter; Robert E. Freytag; Chiatung Pan; M. Yokogawa; Sung Sheng Lin; Mitsuaki Shimizu; Yoshimasa Hishinuma; Soichi Asakura; Carrol B. Knox

Japanese journal of medical science & biology | 1952