[The etiology of acute diarrheal diseases in hospitalized children and as outpatients].

Mergers slow down research spending.

Army releases report on biowarfare lab.

[Analysis of yanshen tablet in the treatment of chronic esophagitis with a randomized control trial].

U.s.--u.s.s.R. Space agreement renewed.

HERBERT W. CONN.

TRIVALENT CARBON.

THE FIELD COLUMBIAN MUSEUM.

Queries.

LONGEVITY OF PRESIDENTS OF THE UNITED STATES.