TY - JOUR PB - American Physical Society ID - 10.1103/Physics.4.23 TI - Testing gravity in gas-rich galaxies JF - Physics JA - Physics J1 - PHYSICS VL - 4 IS - SP - 23 EP - PY - 2011/03/21/ UR - http://link.aps.org/doi/10.1103/Physics.4.23 A1 - Masters, Karen AU - Spekkens, Kristine ER -