1. A new method of obtaining small quantities of stomach contents for diagnostic purposes Author(s): Einhorn, Max, 1862-1953 Publication: New York : Trow's Printing and Bookbinding Co., 1890 Subject(s): Gastrointestinal ContentsSpecimen Handling -- instrumentationSpecimen Handling -- methods
2. Apparatus for collecting water for bacteriological examination Author(s): Dixon, Samuel Gibson, 1851-1918, author Publication: Philadelphia : The American Medical Press Company, 1891 Subject(s): Drinking Water -- analysisSpecimen Handling -- instrumentationWater Microbiology
