Koningsberger, J. The dark side of protoporphyria. Utrecht: University of Utrecht, 1992 205 p. 90-393-0131-X.
Koningsberger, J. The dark side of protoporphyria. Utrecht: University of Utrecht, 1992 205 p. 90-393-0131-X.
Koningsberger, J. (1992) The dark side of protoporphyria, Utrecht: University of Utrecht 205 p. 90-393-0131-X.
Koningsberger, J. (1992). The dark side of protoporphyria. A study on the toxic dark effects of protoporphyrin. Utrecht: University of Utrecht, 205 p.
Koningsberger J. The dark side of protoporphyria: A study on the toxic dark effects of protoporphyrin. Utrecht: University of Utrecht; 1992. p. 205 p. ISBN: 90-393-0131-X.