PICO Portalanswers from OpenAlex & ORCID
Mark Helfand
ResearcherPublications, citations & collaboration network
Mark Helfand is a researcher indexed in PICO Portal from OpenAlex & ORCID.
How many works does Mark Helfand have?
PICO Portalindexed works
Mark Helfand has 169 works in the PICO Portal index. The count is the OpenAlex total, not the number of papers listed on this page.
How many citations does Mark Helfand have?
PICO Portalcitation count
Mark Helfand has 24,700 citations in the OpenAlex counts PICO Portal stores.
What is the h-index of Mark Helfand?
PICO Portalh-index
Mark Helfand has an h-index of 43 in OpenAlex.
What is the i10-index of Mark Helfand?
PICO Portali10-index
Mark Helfand has an i10-index of 79 in OpenAlex.
What is the ORCID of Mark Helfand?
PICO Portalorcid
The ORCID for Mark Helfand is on the source record.
What is the OpenAlex record for Mark Helfand?
PICO Portalopenalex
The OpenAlex for Mark Helfand is on the source record.
What are the most-cited papers on Mark Helfand?
PICO Portalmost cited works
GRADE guidelines: 3. Rating the quality of evidence
Howard Balshem, Mark Helfand, Holger J. Schünemann, Andrew D Oxman, Regina Kunz, Jan Brożek, Gunn Elisabeth Vist, Yngve Falck–Ytter, Joerg J Meerpohl, Susan L. Norris
GRADE guidelines: 7. Rating the quality of evidence—inconsistency
Gordon Guyatt, Andrew D Oxman, Regina Kunz, James Woodcock, Jan Brożek, Mark Helfand, Pablo Alonso‐Coello, Paul Glasziou, Roman Jaeschke, Elie A. Akl, Susan L. Norris, Gunn Elisabeth Vist, Philipp Dahm, Vijay K. Shukla, Julian P. T. Higgins, Yngve Falck–Ytter, Holger J. Schünemann
CARE guidelines for case reports: explanation and elaboration document
D. Riley, Melissa S. Barber, Gunver S. Kienle, Jeffrey K Aronson, Tido von Schoen-Angerer, Peter Tugwell, Helmut Kiene, Mark Helfand, Douglas G. Altman, Harold C. Sox, Paul G. Werthmann, David Moher, Richard A. Rison, Larissa Shamseer, Christian A. Koch, Gordon H. Sun, Patrick Hanaway, Nancy L. Sudak, Marietta Kaszkin-Bettag, James E. Carpenter, Joel Gagnier
GRADE guidelines: 8. Rating the quality of evidence—indirectness
Gordon Guyatt, Andrew D Oxman, Regina Kunz, James Woodcock, Jan Brożek, Mark Helfand, Pablo Alonso‐Coello, Yngve Falck–Ytter, Roman Jaeschke, Gunn Elisabeth Vist, Elie A. Akl, Piet N. Post, Susan L. Norris, Joerg J Meerpohl, Vijay K. Shukla, Mona Nasser, Holger J. Schünemann
Universal Newborn Hearing Screening
Diane C. Thompson, Heather McPhillips, Robert L. Davis, Tracy A. Lieu, Charles J. Homer, Mark Helfand