1. The Colorimetric determination of cholesterol;Sperry;J. Biol. Chem.,1943
2. Simplified method for the estimation of total cholesterol in serum and demonstration of its specificity;Abell;J. Biol. Chem.,1952
3. Identification of small amounts of organic compounds by distribution studies. III. Use of buffers in counter-current distribution;Craig;J. Biol. Chem.,1945
4. A micromethod for the determination of free and combined cholesterol;Schoenheimer;J. Biol. Chem.,1934