Jensma G. A. Gerlo, Erasmus van Rotterdam. Zeven studies. BMGN-LCHR [Internet]. 1989 Jan. 1 [cited 2024 Apr. 26];104(3):442-3. Available from: https://bmgn-lchr.nl/article/view/URN%3ANBN%3ANL%3AUI%3A10-1-103526