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dr. C.W. (Charles) Helsper

dr. C.W. (Charles) Helsper

Assistant Professor

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Research Output (52)

Impact of the COVID-19 pandemic on breast cancer incidence and tumor stage in the Netherlands and Norway:A population-based study

Eijkelboom Anouk H., de Munck Linda, Larsen Marthe, Bijlsma Maarten J., Tjan-Heijnen Vivianne C.G., van Gils Carla H., Broeders Mireille J.M., Nygård Jan F., Lobbes Marc B.I., Helsper Charles W., Pijnappel Ruud M., Strobbe Luc J.A., Wesseling Jelle, Hofvind Solveig, Siesling Sabine Dec 2023, In: Cancer Epidemiology. 87 10 p.

Population-based impact of COVID-19 on incidence, treatment, and survival of patients with pancreatic cancer

Graus Merlijn U.J.E., de Hingh Ignace H.J.T., Besselink Marc G., Bruno Marco J., Wilmink Johanna W., de Meijer Vincent E., van Velthuysen Marie Louise F., Valkenburg-van Iersel Liselot B.J., van der Geest Lydia G.M., de Vos-Geelen Judith, Siesling S., van Hoeve J. C., Merkx M. A.W., de Wit N. J., Helsper C. W., Dingemans I., Nagtegaal I. D., van der Schaaf M., van Gils C. H., van Weert H. C.P.M., Verheij M., , , Oct 2023, In: HPB. 25 , p. 1195-1202 8 p.

Cancer detection during the COVID-19 pandemic—Experiences in primary care and recommendations for the future

Siepman Van den Berg Marinde F.R., Grant Matthew, van Erp Nicole, van Gils Carla H., Muris Jean, Brandenbarg Daan, van Asselt Kristel M., de Wit Niek J., Helsper Charles W., 14 Mar 2023, In: Journal of General and Family Medicine. 24 , p. 131-134 4 p.

Impact of the COVID-19 Outbreak—Delayed Referral of Colorectal and Lung Cancer in Primary Care:A National Retrospective Cohort Study

Helsper Charles W., Van Gils Carla H., Van Erp Nicole F., Siepman van den Berg Marinde F.R., Rogouti Omar, Van Asselt Kristel M., Maarsingh Otto R., Muris Jean, Brandenbarg Daan, Siesling Sabine, De Wit Niek J., Grant Matthew P., 25 Feb 2023, In: Cancers. 15

Effectiveness of a guided online primary care intervention for fear of cancer recurrence:A randomised controlled trial

Luigjes-Huizer Yvonne L., Helsper Charles W., de Wit Niek J., van der Lee Marije L. 2023, In: Psycho-Oncology. 32 , p. 1839-1847 9 p.

The Impact of the COVID Pandemic on the Incidence of Presentations with Cancer-Related Symptoms in Primary Care

Grant Matthew P, Helsper Charles W, Stellato Rebecca, van Erp Nicole, van Asselt Kristel M, Slottje Pauline, Muris Jean, Brandenbarg Daan, de Wit Niek J, van Gils Carla H 1 Nov 2022, In: Cancers. 14 , p. 1-12

Mental Health Morbidities and Time to Cancer Diagnosis Among Adults With Colon Cancer in England

Benitez Majano Sara, Lyratzopoulos Georgios, de Wit Niek J, White Becky, Rachet Bernard, Helsper Charles, Usher-Smith Juliet, Renzi Cristina 31 Oct 2022, In: JAMA network open. 5 , p. 1-15

Long-COVID and long-term cancer survivorship-Shared lessons and opportunities

Harada Taku, Schmitz Kathryn, Helsper Charles W, Campbell Grace, Nekhlyudov Larissa 24 Sep 2022, In: European Journal of Cancer Care. 31

The impact of the COVID pandemic on cancer diagnosis in general practice in The Netherlands

Grant Matthew, van Gils Carla H., van Erp Nicole, van Asselt Kristel M., Brandenbarg Daan, Muris Jean W. M., de Wit NJ, Helsper CW 30 Jun 2022,

The impact of the COVID pandemic on the incidence of cancer-related symptoms in general practice

Grant Matthew, van Gils Carla H., van Erp Nicole, van Asselt Kristel M., Brandenbarg Daan, Muris J.W.M., de Wit NJ, Helsper CW 30 Jun 2022,

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