four different heparin preparations -- sodium and calcium salts of the same batch of heparin ( mean molecular weight 15,000 ) , low molecular weight sodium heparin ( mean m.w . 9,000 ) and high molecular weight sodium heparin ( mean m.w . 22,000 ) were injected subcutaneously on different days each into 6 healthy young volunteers in a randomized trial .
C0019134
heparin
C0019139
low molecular weight