Hans H. Bakker

Banāras (Vārāṇasī) : cosmic order, sacred city, Hindu traditions : festschrift to Prof. R.L. Singh

R. P. Singh, Ravesh Singh, Hans Bakker, 1993 .

Production of anti-CD3 and anti-CD7 ricin A-immunotoxins for a clinical pilot study.

D. Ruiter, J. Koopman, T. D. de Witte, 2001, International journal of pharmaceutics.

Severe copper deficiency due to excessive use of an antacid combined with pyloric stenosis

L. Engels, J. Burghouts, P. M. Kalmthout, 1982, Digestive Diseases and Sciences.