PT - JOURNAL ARTICLE AU - Frederick B. Shipley AU - Christopher M. Clark AU - Mark J. Alkema AU - Andrew M. Leifer TI - Simultaneous optogenetic manipulation and calcium imaging in freely moving <em>C. elegans</em> AID - 10.1101/000943 DP - 2013 Jan 01 TA - bioRxiv PG - 000943 4099 - http://biorxiv.org/content/early/2013/12/01/000943.short 4100 - http://biorxiv.org/content/early/2013/12/01/000943.full