Effects of different intensities of extremely low frequency pulsed electromagnetic fields on formation of osteoclast-like cells

http://www.ncbi.nlm.nih.gov:80/entrez/query.fcgi?cmd=Retrieve&db=PubMed&list_uids=12929162&dopt=Abstract
Bioelectromagnetics. 2003 Sep;24(6):431-9.
Chang K, Chang WH, Wu ML, Shih C.
Department of Biomedical Engineering, Chung-Yuan Christian University, Chung-Li, Taiwan, Republic of China.