Edwards MH, van der Pas S, Denkinger MD, Parsons C, Jameson KA, Schaap L, Zambon S, Castell MV, Herbolsheimer F, Nasell H, Sanchez-Martinez M, Otero A, Nikolaus T, van Schoor NM, Pedersen NL, Maggi S, Deeg DJ, Cooper C, Dennison E. Relationships between physical performance and knee and hip osteoarthritis: findings from the European Project on Osteoarthritis (EPOSA). Age Ageing. 2014 Nov;43(6):806-13. doi: 10.1093/ageing/afu068.

Vijlbrief RV, Wijnhoven HA, Schaap LA, Terwee CB, Visser M. Determinants of protein-energy malnutrition in community dwelling older adults: A systematic review of observational studies. Ageing Res Rev. 2014 Sep 22. pii: S1568-1637(14)00104-4. doi: 10.1016/j.arr.2014.09.001. [Epub ahead of print]

Berentzen NE, van Stokkom VL, Gehring U, Koppelman GH, Schaap LA, Smit HA, Wijga AH. Associations of sugar-containing beverages with asthma prevalence in 11-year-old children: the PIAMA birth cohort. Eur J Clin Nutr. 2014 Aug 13. doi: 10.1038/ejcn.2014.153. [Epub ahead of print]

Timmermans EJ, van der Pas S, Schaap LA, Sánchez-Martínez M, Zambon S, Peter R, Pedersen NL, Dennison EM, Denkinger M, Castell MV, Siviero P, Herbolsheimer F, Edwards MH, Otero A, Deeg DJ. Self-perceived weather sensitivity and joint pain in older people with osteoarthritis in six European countries: results from the European Project on OSteoArthritis (EPOSA). BMC Musculoskelet Disord. 2014 Mar 5;15:66. doi: 10.1186/1471-2474-15-66.

Manenschijn, L., Schaap, L.A., Schoor, N.M. van, Pas, S. van der, Peeters, G.M.E.E., Lips, P.T.A.M., Koper, J.W. & Rossum, E.F.C. (2013). High long-term cortisol levels, measured in scalp hair, are associated with a history of cardiovascular disease. Journal of Clinical Endocrinology and Metabolism, 98(5), 2078-2083. 10.1210/jc.2012-3663

Pas, S. van der, Castell, M.V, Cooper, C., Denkinger, M., Dennison, E.M., Edwards, M.H., Herbolsheimer, F., Limongi, F., Lips, P.T.A.M., Maggi, S., Nasell, H., Nikolaus, T., Otero, A., Pedersen, N.L., Peter, R., Sanchez-Martinez, M., Schaap, L.A., Zambon, S., Schoor, N.M. van & Deeg, D.J.H. (2013). European project on osteoarthritis: design of a six-cohort study on the personal and societal burden of osteoarthritis in an older European population. BMC Musculoskeletal Disorders, 14:138. 10.1186/1471-2474-14-138

Schaap, L.A., Koster, A. & Visser, M. (2013). Adiposity, muscle mass and muscle strength in relation to functional decline in older persons. Epidemiologic Reviews, 35(1), 51-65. 10.1093/epirev/mxs006

Swart, C.M.A., Schoor, N.M. van, Heijmans, M.W., Schaap, L.A., Heijer, M. den & Lips, P.T.A.M. (2013). Elevated homocysteine levels are associated with low muscle strength and functional limitations in older persons. Journal of Nutrition Health and Aging, 17(6), 578-584. 10.1007/s12603-013-0047-2

Visser, M. & Schaap, L.A. (2012). Measurements of Muscle Mass, Equations and Cut-off Points. In A.J. Cruz-Jentoft & J.E. Morley (Eds.), Sarcopenia. Chichester, UK: Wiley & Sons, Ltd.

Schaap L.A., Peeters G.M.E.E., Dennison E.M., Zambon S., Nikolaus T., Sanchez-Martinez M., Musacchio E., van Schoor N.M., Deeg D.J.H.; The EPOSA research group. European Project on Osteoarthritis (EPOSA): methodological challenges in harmonization of existing data from five European population-based cohorts on aging. BMC Musculoskelet Disord. 2011;12(1):272. IF: 1.580

Visser M., Schaap L.A. Consequences of sarcopenia. Clin Geriatr Med. 2011;27(3):387-99.

Jakobsdóttir S, van Nieuwpoort IC, Schaap LA, van Schoor NM, Lips P, Drent ML. 
Serum insulin-like growth factor-I and body composition in community dwelling older people. Clin Endocrinol (Oxf). 2010 Aug;73(2):173-80. Epub 2009 Nov 11.

Joshi D, van Schoor NM, de Ronde W, Schaap LA, Comijs HC, Beekman AT, Lips P. 
Low free testosterone levels are associated with prevalence and incidence of depressive symptoms in older men. Clin Endocrinol (Oxf). 2010 Feb;72(2):232-40. Epub 2009 May 25.

Schaap LA, Pluijm SM, Deeg DJ, Penninx BW, Nicklas BJ, Lips P, Harris TB, Newman AB, Kritchevsky SB, Cauley JA, Goodpaster BH, Tylavsky FA, Yaffe K, Visser M. 
Low testosterone levels and decline in physical performance and muscle strength in older men: findings from two prospective cohort studies. Clinical Endocrinology (Oxf). 2008; 68:42-50

Beasley LE, Koster A, Newman AB, Javaid MK, Ferrucci L, Kritchevsky SB, Kuller LH, Pahor M, Schaap LA, Visser M, Rubin SM, Goodpaster BH, Harris, TB. 
Inflammation and race and gender differences in computerized tomography-measured adipose depots. Obesity (Silver Spring). 2009 May;17(5):1062-9. Epub 2009 Jan 22.

Pluijm S.M.F., Visser M., Puts M.T.E., Dik M.G., Schalk B.W.M., van Schoor N.M., Schaap L.A., Bosscher R.J., Deeg D.J.H. 
Unhealthy lifestyles during the life course: association with physical decline in late life. Aging Clin Exp Res. 2007;19(1): 75-83 

Schaap L.A., Pluijm S.M.F., Deeg D.J.H., Visser M. 
Inflammatory markers and loss of muscle mass (sarcopenia) and strength. Am J Med 2006; 119, 526.e9-526.e17.

Pluijm S.M.F., Visser M., Puts M.T.E., Dik M.G., Schalk B.W.M., van Schoor N.M., Schaap L.A., Bosscher R.J., Deeg D.J.H. Ongezonde leefstijl in de loop van het leven: samenhang met lichamelijke achteruitgang op oudere leeftijd. Tijdschr Gerontol Geriatr. 2006; 37(6):226-36 (Dutch)

van Schoor N.M., van der Veen A.J., Schaap L.A., Smit T.H., Lips P. 
Biomechanical comparison of hard and soft hip protectors, and the influence of soft tissue. Bone. 2006 Aug;39(2):401-7. 

Schaap L.A., Pluijm S.M.F., Smit J.H., van Schoor N.M., Visser M., Gooren L.J.G., Lips P. 
The association of sex hormone levels with poor mobility, low muscle strength and incidence of falls among older men and women. Clin Endocrinol (Oxf) 2005; 63(2):152-160.

Schaap L.A. IGF-1 and IL-6 as predictors of sarcopenia in the elderly. International Growth Monitor, 2004; 14(1):19-20.