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April 1950

Pollen Slide Studies.

Arch Otolaryngol. 1950;51(4):639. doi:10.1001/archotol.1950.00700020662019

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Pollen in plants is analogous to spermatozoa in man. Pollen may be useful in propagating plants, but it is a pest to some animals, especially man. The weather has much to do with scattering pollen, especially wind and rain, but pollen is not destroyed by frost, as many think. In fact, some experiments were made in freezing and thawing pollens and they showed that the pollen did not lose potency through freezing. This book contains 182 drawings of pollen grains and fungus spores, with 34 photomicrographs. It is a manual, a textbook, a reference work and an atlas combined. The blurb states that anyone who can read and knows how to use a microscope can "count" pollen and prepare extracts for testing by following the information given here. "Allergy as a specific field of medicine has finally come into its own." The public uses the term, however, indiscriminately, but perhaps

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