Material and Methods
Part of the Advances in Anatomy, Embryology and Cell Biology book series (ADVSANAT, volume 42/1)
Approximately 200 guinea pigs, non albinos, weighing from 250 to 350 g were used in the investigation. All of them showed an obvious Preyer’s reflex (twitching of the pinna to a sound stimulus).
KeywordsZinc Formalin Glycerin Citrate Propylene
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© Springer-Verlag Berlin Heidelberg 1969