By Keijzer R.   Terwel J.   in Learning and Instruction

ISSN:0959-4752|13|3|285-304

Elsevier‎(2003)‎

Access to resources Favorite 10.7221

By Keijzer R.   van Tuyl M.   Tibboel D.   in European Journal of Obstetrics and Gynecology and Reproductive Biology

ISSN:0301-2115|92|1|127-133

Elsevier‎(2000)‎

Access to resources Favorite 8.434547

By Felix J.   Keijzer R.   Dooren M.   Rottier R.   Tibboel D.   in Pediatric Surgery International

ISSN:0179-0358|20|10|731-736

Springer Publishing Company ‎(2004)‎

Access to resources Favorite 6.897799

By Hoetelmans R W M   Slooten H-J van   Keijzer R   J H van de Velde C   Dierendonck J H van   in Biotechnic & Histochemistry

ISSN:1473-7760|77|3|137-144

Informa Healthcare‎(2002)‎

Access to resources Favorite 1.3139061