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. 2015 Dec;8(4):159–168. doi: 10.1515/intox-2015-0025

Table 2.

Effect of calcium supplementation on Pb induced alterations of developmental landmarks in rats.

Parameters Control 0.2% Pb 0.2% Pb + Ca
Pinna unfolding (PND) 4.33±0.4a 4.41±0.2a (1.84) 4.47±0.3a (3.23)
Lower incisor eruption (PND) 3.2±0.4a 3.15±0.4a (1.56) 3.26±0.5a (1.87)
Fur development (PND) 6.62±0.7a 6.83±0.5a (3.17) 6.66±0.7a (0.6)
Upper incisor eruption (PND) 9.2±0.4a 9.11±0.2a (-0.98) 9.3±0.4a (1.08)
Eye slit formation (PND) 9.95±0.7a 9.72±0.6a (-2.31) 9.93±0.6a (0.2)
Eye opening(PND) 12.04±0.5a 12.13±0.6a (0.74) 12.02±0.7a (0.16)
a

Values are mean ± SD of 8 rats; pups within the litter were pooled, but litter was considered as n of one for statistical analysis. Values in the parentheses are percentage change from control. Values not sharing a common superscript (a,b,c) differ significantly at p<0.05.