half-maximal displacement was obtained with 0.33 ng igf-ii/ml standard , and scatchard analysis showed a class of receptors with an affinity for igf-ii of 1.33 +/- 0.36 x 10 ( 10 ) litres/mol which increased threefold in the presence of ca ( 1 mmol/l ) to 3.74 +/- 0.89 x 10 ( 10 ) litres/mol .
C0021666
igf-ii
C0037657
igf