Johanna M. de Gruijter

Signatures of Positive Selection in Genes Associated with Human Skin Pigmentation as Revealed from Analyses of Single Nucleotide Polymorphisms

Óscar Lao, Johanna M. de Gruijter, Kate van Duijn et al. · Annals of Human Genetics · 2007 · 239 citations

Life Sciences, Evolutionary Biology, Genetics +15

Polymerase chain reaction‐based differential diagnosis of <i>Ancylostoma duodenale</i> and <i>Necator americanus</i> infections in humans in northern Ghana

Johanna M. de Gruijter, Lisette van Lieshout, Robin B. Gasser et al. · Tropical Medicine & International Health · 2005 · 60 citations · Full text

Veterinary Medicine, Infectious Diseases, Microbiology +17

High resolution DNA fingerprinting by AFLP to study the genetic variation among<i>Oesophagostomum bifurcum</i>(Nematoda) from human and non-human primates from Ghana

Johanna M. de Gruijter, Robin B. Gasser, Anton M. Polderman et al. · Parasitology · 2004 · 47 citations

Life Sciences, Biology, Genetics +11

GENETIC SUBSTRUCTURING WITHIN OESOPHAGOSTOMUM BIFURCUM (NEMATODA) FROM HUMAN AND NON-HUMAN PRIMATES FROM GHANA BASED ON RANDOM AMPLIFIED POLYMORPHIC DNA ANALYSIS

Johanna M. de Gruijter, Juventus B. Ziem, Jaco J. Verweij et al. · American Journal of Tropical Medicine and Hygiene · 2004 · 45 citations

Life Sciences, Biology, Genetics +13

Definition of genetic markers in nuclear ribosomal DNA for a neglected parasite of primates, Ternidens deminutus (Nematoda: Strongylida) – diagnostic and epidemiological implications

Anne-Marie Schindler, Johanna M. de Gruijter, A. M. Polderman et al. · Parasitology · 2005 · 33 citations

Veterinary Medicine, Biology, Genetics +17