Hennie Janssen

Muscle strength and mobility in vitamin D-insufficient female geriatric patients: a randomized controlled trial on vitamin D and calcium supplementation

Hennie Janssen, M Samson, H. J. J. Verhaar · Aging Clinical and Experimental Research · 2010 · 91 citations

Calcium Supplementation, Kinesiology, Geriatrics +11

Neural tube closure in the chick embryo is multiphasic

H. W. M. van Straaten, Hennie Janssen, Marian Peeters et al. · Developmental Dynamics · 1996 · 63 citations · Full text

Determinants of vitamin D status in healthy men and women aged 40–80 years

Hennie Janssen, Mariëlle H. Emmelot‐Vonk, H. J. J. Verhaar et al. · Maturitas · 2012 · 45 citations

Geriatric Endocrinology, Nutrition, Nutritional Requirement +11

Vitamin D and Muscle Function: Is There a Threshold in the Relation?

Hennie Janssen, Mariëlle H. Emmelot‐Vonk, H. J. J. Verhaar et al. · Journal of the American Medical Directors Association · 2013 · 44 citations

Muscle Function, Body Composition, Kinesiology +8

Cervical length in uncomplicated pregnancy: A study of sociodemographic predictors of cervical changes across gestation

Karolien Dijkstra, Hennie Janssen, Edward Kuczynski et al. · American Journal of Obstetrics and Gynecology · 1999 · 34 citations · Full text