The treatment period was extended for a further nine days during which the dose concentration for animals which had received 0.1 mg / ml was increased to 0 3 mg / ml ; the Controls and animals receiving 0.2 mg / ml were treated as before .
The treatment period was extended for a further nine days during which the dose concentration for animals which had received 0.1 mg / ml was increased to 0 3 mg / ml ; the Controls and animals receiving 0.2 mg / ml were treated as before .
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