Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Examples of systems that harvest mechanical energy from the circulatory system. a) Adapted with permission.[301] Copyright 2014, National Academy of Science. b) Adapted with permission.[305] Copyright 2016, American Chemical Society. c) Reproduced with permission.[307] Copyright 2012, Springer Nature. d) Adapted with permission.[227] Copyright 2016, Elsevier. e) Adapted with permission.[309] Copyright 2016, IEEE.
