numTechReps protocol strain Time SRX020102 1 control Sprague_Dawley 2_months SRX020103 2 control Sprague_Dawley 2_months SRX020104 1 L5_SNL Sprague_Dawley 2_months SRX020105 2 L5_SNL Sprague_Dawley 2_months SRX020091.3 1 control Sprague_Dawley 2_weeks SRX020088.90 2 control Sprague_Dawley 2_weeks SRX020094.7 1 L5_SNL Sprague_Dawley 2_weeks SRX020098.101 2 L5_SNL Sprague_Dawley 2_weeks