-
original on 28
August 2021.
Retrieved 10 June 2019.
Jacobs EM, Verb**** AL,
Kreeftenberg HG, et al. (December 2007). "Changing
aspects of HFE-related hereditary...
-
seventyfive years. The son of
Cornelis Berkhoff (1821–1913) and
Harmina Kreeftenberg (1834–1913),
Berkhoff belonged to a
family of bakers. His father, grandfather...
- PMID 23598479.
Retrieved 27
April 2022. Jadhav, Suresh; Datla, Mahima;
Kreeftenberg, Hans; Hendriks, Jan (20
March 2008). "The
Developing Countries Vaccine...
- 11.060. ISSN 0264-410X. PMID 23598479. Jadhav, Suresh; Datla, Mahima;
Kreeftenberg, Hans; Hendriks, Jan (20
March 2008). "The
Developing Countries Vaccine...
