John Challis
John Challis publishes mostly in Pediatrics, Perinatology and Child Health, Pulmonary and Respiratory Medicine and Agronomy and Crop Science, on topics such as Birth, Development, and Health, Neonatal Respiratory Health Research and Reproductive Physiology in Livestock.
- World rank
- #157,232 of 1,633,909 ranked researchers
- Rank in United States
- #65,663 of 358,040
- Works
- 89
- Citations
- 360
- Citations per work
- 4.0
What does John Challis research?
Shares of their own output, by the field each of their topics belongs to. The grey slice is everything not listed.
- 1Pediatrics, Perinatology and Child Health14% of their works
- 2Pulmonary and Respiratory Medicine11% of their works
- 3Agronomy and Crop Science9% of their works
- 4Epidemiology8% of their works
- 5Immunology7% of their works
- 6Obstetrics and Gynecology6% of their works
Research topics
Which keywords describe John Challis's research?
The keywords of their largest research topics: Oxidative Stress, Maternal Mortality, Early-Life Conditions, Fetal Programming, Bronchopulmonary Dysplasia, Preterm Infants, Reproductive Loss and Uterine Disease.
- Stress
- Preeclampsia
- Estrogen
- Regulatory T Cells
- Preterm Birth
- Uterine Disease
- Preterm Infants
- Fetal Programming
- Maternal Mortality
- Oxidative Stress
- Early-Life Conditions
- Bronchopulmonary Dysplasia
- Reproductive Loss
- Inflammation
- Decidual NK Cells
- Brain
- Placental Development
- Receptor
Size is their works in the topics tagged with each word, from their 8 largest topics. Each links to the topic it comes from most.
All 18 words, with their numbers
- Oxidative Stress162 topics
- Maternal Mortality152 topics
- Early-Life Conditions131 topic
- Fetal Programming131 topic
- Bronchopulmonary Dysplasia121 topic
- Preterm Infants121 topic
- Reproductive Loss111 topic
- Uterine Disease111 topic
- Inflammation101 topic
- Preterm Birth101 topic
- Decidual NK Cells61 topic
- Regulatory T Cells61 topic
- Brain51 topic
- Estrogen51 topic
- Placental Development51 topic
- Preeclampsia51 topic
- Receptor51 topic
- Stress51 topic
Where does John Challis work?
John Challis's main affiliation in the publication record is VA Office of Research and Development, United States.
How many publications and citations does John Challis have?
Science Explorer counts 89 works and 360 citations for John Challis, ranking #157,232 of 1,633,909 researchers worldwide on the composite score.
Ranked on field-normalised excellence (50%), output (30%) and citations (20%). Counts come from OpenAlex author records, which occasionally merge different people who share a name or split one person into several.
Papers, co-authors, who cited this work and researchers on the nearest topics are in the interactive view on the map. Is this your page? Request a correction or removal.