Assertion: digitalis | /r/HasProperty | injected into ventral lymph sac
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Source sentences:
text: Method.- Frogs (20 to 30 grams in weight) are kept at 20C. and the digitalis to be essayed is injected into the ventral lymph sac, the volume being about 0.015 cc. per gram, and the alcohol content being about 20 per cent.