Concepedia

J. R. G. Challis

JR

49

Publications

2K

Citations

27

H-Index

1970

Active since

Affiliations

Lawson Health Research Institute(Current)

University of Toronto

VA Office of Research and Development

Western University

University of Ottawa

J. R. G. Challis is an author at Lawson Health Research Institute specializing in endocrinology, medicine, and physiology.

Top concepts

MedicineEndocrinologyPhysiologyAnimal PhysiologyEmbryologyGynecologyPublic HealthAnimal ScienceDevelopmental BiologyMetabolism

Publications per year

1970–2013

49

Publications

49

Sharp Increase in Free Circulating Oestrogens Immediately Before Parturition in Sheep

J. R. G. Challis · Nature · 1971 · 220 citations · Full text

Animal Physiology, Sharp Increase, Animal Reproduction +12

Immunohistochemical localization, messenger ribonucleic acid abundance, and activity of 15-hydroxyprostaglandin dehydrogenase in placenta and fetal membranes during term and preterm labor.

R. Sangha, John C. Walton, Mark Ensor et al. · The Journal of Clinical Endocrinology & Metabolism · 1994 · 136 citations

Fertility, Fetal Medicine, Gynecology +23

Steroid, corticotrophin-releasing hormone, ACTH and prostaglandin interactions in the amnion and placenta of early pregnancy in man

Sarah Jones, J. R. G. Challis · Journal of Endocrinology · 1990 · 86 citations

Cloning of an ovine 11 beta-hydroxysteroid dehydrogenase complementary deoxyribonucleic acid: tissue and temporal distribution of its messenger ribonucleic acid during fetal and neonatal development.

Kaiping Yang, C. Smith, David W. Dales et al. · Endocrinology · 1992 · 84 citations

Genetics, Molecular Genetics, Reproductive Biology +21

The Characterization of Human Amnion Epithelial and Mesenchymal Cells: the Cellular Expression, Activity and Glucocorticoid Regulation of Prostaglandin Output

Wendy Whittle, William Gibb, J. R. G. Challis · Placenta · 2000 · 81 citations

Developmental Biology, Placental Development, Prostaglandin Output +11

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