sample.id num.tech.reps 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