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Robuta

https://wellcomecollection.org/works/aw7tscvg
M0002220: Page 3 of 4 of an analysis of samples of cinchona bark sent to the India Office by R....
Page 3 of 4 of an analysis of samples of cinchona bark sent to the India Office by R. Cross and received in April 1881. The reproduction is possibly from the...
analysissamples
https://www.paisajesfantasma.com/essays/interview-with-a-cinchona-geneticist
Interview with a cinchona geneticist
interviewcinchonageneticist