49. Gonyea W, Ericson GC, Bonde-Petersen F «Skeletal muscle fiber splitting induced by weight-lifting exercise in cats»
50. Haycock B «The hypertrophy specific training», www.thinkmuscle.com
51. Hatfield F «The simplicity of periodicity», www.drsquat.com
52. Larsson L & Tesch PA (1986) «Motor unit fiber density in extremely hypertriphied skeletal muscles in man» Eur J Appl Physiol 55:1130-1136
53. Yamada S, Buffinger N, Dimario J & Strohman R (1989) «Fibroplast growth factor is stored in fiber extracellular matrix and plays a role in regulating muscle hypertrophy» Med Sci Sports Exerc 21(5): S173-s180