D. Schaafsma

发表

Ruth Vinz, D. Schaafsma, 2011 .

R. M. Wallace, Patricia Stock, Gian Pagnucci, 2007, English Education.

P. Fuhr, D. Schaafsma, ROBERT P. RUTSTEIN, 1994, Optometry and Vision Science.

Ruth Vinz, Nick Sousanis, D. Schaafsma, 2012 .

Antonio Tendero, D. Schaafsma, J. Tendero, 1999 .

Michael T. Kirschenheiter, Jon A. Solworth, Ian A. Kash, 2018, International journal of urology.