Pöllänen E. Regulation of gene expression and steroidogenesis in skeletal muscle of postmenopausal women -with emphasis on the effects of hormone replacement and power training. Studies in Sport, Physical Education and Health, nr 169, Jyväskylä, University of Jyväskylä. Dissertation. 2011. http://urn.fi/URN:ISBN:978-951-39-4306-6

Ronkainen P. Towards powerful old age – Association between hormone replacement therapy and skeletal muscle. Studies in Sport, Physical Education and Health, nr 157, Jyväskylä, University of Jyväskylä. Dissertation. 2010 http://urn.fi/URN:ISBN:978-951-39-4124-6

Stenroth, L. Structure and function of human triceps surae muscle and tendon in aging. Studies in Sport, Physical Education and Health, nr 242, Jyväskylä, University of Jyväskylä. Dissertation. 2016. http://urn.fi/URN:ISBN:978-951-39-6715-4