RT Journal Article SR Electronic T1 Grad students struggle with rising fees JF Science JO Science FD American Association for the Advancement of Science SP 630 OP 630 DO 10.1126/science.365.6454.630 VO 365 IS 6454 A1 Langin, Katie YR 2019 UL http://science.sciencemag.org/content/365/6454/630.abstract AB