The original 1954 publication by A.T.W. Simeons based on his study of and clinical work with obesity and the HCG Diet in Rome.
The Original Simeons HCG Diet as found in A.T.W. Simeons’ Pounds and Inches
HCG is available as a prescription and as a homeopathic, with each form having several methods of delivery and ranging from injections to pills to drops to sprays.