| Relation between semen quality and fertility: a population-based study of 430 first-pregnancy planners JPE Bonde, E Ernst, TK Jensen, NHI Hjollund, H Kolstad, T Scheike, ... The Lancet 352 (9135), 1172-1177, 1998 | 958 | 1998 |
| Response rate and completeness of questionnaires: a randomized study of Internet versus paper-and-pencil versions SM Kongsved, M Basnov, K Holm-Christensen, NH Hjollund Journal of medical Internet research 9 (3), e611, 2007 | 509 | 2007 |
| Register-based follow-up of social benefits and other transfer payments: accuracy and degree of completeness in a Danish interdepartmental administrative database compared with … NH Hjollund, FB Larsen, JH Andersen Scandinavian journal of public health 35 (5), 497-502, 2007 | 433 | 2007 |
| Inhibin B as a serum marker of spermatogenesis: correlation to differences in sperm concentration and follicle-stimulating hormone levels. A study of 349 Danish men TK Jensen, AM Andersson, NHI Hjollund, T Scheike, H Kolstad, ... The Journal of Clinical Endocrinology & Metabolism 82 (12), 4059-4063, 1997 | 410 | 1997 |
| Computer-assisted semen analysis parameters as predictors for fertility of men from the general population L Larsen, T Scheike, TK Jensen, JP Bonde, E Ernst, NH Hjollund, Y Zhou, ... Human Reproduction 15 (7), 1562-1567, 2000 | 382 | 2000 |
| Maximising the impact of patient reported outcome assessment for patients and society M Calvert, D Kyte, G Price, JM Valderas, NH Hjollund Bmj 364, 2019 | 274 | 2019 |
| Assessment of fatigue in chronic disease: a bibliographic study of fatigue measurement scales NH Hjollund, JH Andersen, P Bech Health and Quality of life Outcomes 5, 1-5, 2007 | 271 | 2007 |
| Oxidative DNA damage in human sperm influences time to pregnancy S Loft, T Kold‐Jensen, NH Hjollund, A Giwercman, J Gyllemborg, E Ernst, ... Human Reproduction 18 (6), 1265-1272, 2003 | 250 | 2003 |
| Alcohol consumption at the time of conception and spontaneous abortion TB Henriksen, NH Hjollund, TK Jensen, JP Bonde, AM Andersson, ... American journal of epidemiology 160 (7), 661-667, 2004 | 217 | 2004 |
| Association between pregnancy loss and urinary phthalate levels around the time of conception G Toft, BAG Jönsson, CH Lindh, TK Jensen, NH Hjollund, A Vested, ... Environmental health perspectives 120 (3), 458-463, 2012 | 211 | 2012 |
| Low concentration of circulating antimüllerian hormone is not predictive of reduced fecundability in young healthy women: a prospective cohort study CP Hagen, S Vestergaard, A Juul, NE Skakkebæk, AM Andersson, ... Fertility and sterility 98 (6), 1602-1608. e2, 2012 | 207 | 2012 |
| Zinc, magnesium and calcium in human seminal fluid: relations to other semen parameters and fertility MB Sørensen, IA Bergdahl, NHI Hjøllund, JPE Bonde, M Stoltenberg, ... Molecular human reproduction 5 (4), 331-337, 1999 | 191 | 1999 |
| Adult and prenatal exposures to tobacco smoke as risk indicators of fertility among 430 Danish couples TK Jensen, TB Henriksen, NHI Hjollund, T Scheike, H Kolstad, ... American journal of epidemiology 148 (10), 992-997, 1998 | 173 | 1998 |
| Diurnal scrotal skin temperature and semen quality NHI Hjollund, JPE Bonde, TK Jensen, J Olsen, ... International journal of andrology 23 (5), 309-318, 2000 | 157 | 2000 |
| Shift work, job stress, and late fetal loss: The National Birth Cohort in Denmark JL Zhu, NH Hjollund, AMN Andersen, J Olsen Journal of occupational and environmental medicine 46 (11), 1144-1149, 2004 | 156 | 2004 |
| Distress and reduced fertility: a follow-up study of first-pregnancy planners NHI Hjollund, TK Jensen, JPE Bonde, TB Henriksen, AM Andersson, ... Fertility and sterility 72 (1), 47-53, 1999 | 155 | 1999 |
| Tele‐health followup strategy for tight control of disease activity in rheumatoid arthritis: results of a randomized controlled trial A De Thurah, K Stengaard‐Pedersen, M Axelsen, U Fredberg, ... Arthritis care & research 70 (3), 353-360, 2018 | 152 | 2018 |
| Using multiple imputation to deal with missing data and attrition in longitudinal studies with repeated measures of patient-reported outcomes K Biering, NH Hjollund, M Frydenberg Clinical epidemiology, 91-106, 2015 | 145 | 2015 |
| Shift work, duration of pregnancy, and birth weight:: the National Birth Cohort in Denmark JL Zhu, NH Hjollund, J Olsen American journal of obstetrics and gynecology 191 (1), 285-291, 2004 | 145 | 2004 |
| Impact of diurnal scrotal temperature on semen quality NHI Hjollund, L Storgaard, E Ernst, JP Bonde, J Olsen Reproductive Toxicology 16 (3), 215-221, 2002 | 135 | 2002 |
