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Researcher · SickKids Foundation · Canada

Karen M O’Callaghan

Karen M O’Callaghan publishes mostly in Pathology and Forensic Medicine, Nutrition and Dietetics and Obstetrics and Gynecology, on topics such as Vitamin D Research Studies, Bone health and osteoporosis research and Birth, Development, and Health.

ORCID 0000-0002-5853-3796 OpenAlex
World rank
#2,706,105
of 7,710,434 ranked researchers
Rank in Canada
#88,008
of 183,316
Works
34
Citations
383
Citations per work
11.3
h-index
9
i10-index 9Top 68% in Pathology and Forensic Medicine
Karen M O’Callaghan

What does Karen M O’Callaghan research?

Karen M O’Callaghan's work is mostly in Medicine (47%), Nursing (12%).

Health Sciences: 20 works · 59.4% of their workMedicine: 16 works · 46.9% of their workPathology and Forensic Medicine: 6 works · 16.7% of their workObstetrics and Gynecology: 3 works · 8.3% of their workOrthopedics and Sports Medicine: 3 works · 8.3% of their workPediatrics, Perinatology and Child Health: 2 works · 7.3% of their workEpidemiology: 2 works · 6.3% of their workNursing: 4 works · 12.5% of their workNutrition and Dietetics: 4 works · 12.5% of their workEverything else: 14 works · 40.6% of their workTHEIR WORKKaren MO’Callaghan34works
Health Sciences59%

Their six largest subfields, inside their fields and domains; the grey slice is everything else they publish. The interactive view splits every one of their works down to single topics.

The fields and subfields, with their numbers
    1. Medicine1646.9%
    2. Nursing412.5%
  2. Everything else1440.6%
  1. 1Pathology and Forensic Medicine17% of their works
  2. 2Nutrition and Dietetics12% of their works
  3. 3Obstetrics and Gynecology8% of their works
  4. 4Orthopedics and Sports Medicine8% of their works
  5. 5Pediatrics, Perinatology and Child Health7% of their works
  6. 6Epidemiology6% of their works

Research topics

Which keywords describe Karen M O’Callaghan's research?

The keywords of their largest research topics: Deficiency, Vitamin D, Metabolic Syndrome, Bone Mineral Density, Child Development, Fractures, Early-Life Conditions and Fetal Programming.

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
  1. Deficiency161 topic
  2. Vitamin D161 topic
  3. Metabolic Syndrome112 topics
  4. Bone Mineral Density81 topic
  5. Child Development82 topics
  6. Fractures81 topic
  7. Early-Life Conditions61 topic
  8. Fetal Programming61 topic
  9. Gestational Diabetes Mellitus51 topic
  10. Gut Microbiota51 topic
  11. Maternal Obesity51 topic
  12. Microbial Communities51 topic
  13. Breastfeeding41 topic
  14. Hepcidin41 topic
  15. Infant Health41 topic
  16. Iron Regulation41 topic
  17. Maternal and Child Undernutrition41 topic
  18. Water Sanitation Hygiene41 topic

Where does Karen M O’Callaghan work?

Karen M O’Callaghan's main affiliation in the publication record is SickKids Foundation, Canada.

How many publications and citations does Karen M O’Callaghan have?

OpenAlex counts 34 works and 383 citations for Karen M O’Callaghan, an h-index of 9, ranking #2,706,105 of 7,710,434 researchers worldwide on the quality 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 have tabs of their own, above. Is this your page? Claim it with your ORCID iD, or request a correction or removal.

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