How to select a frail elderly population? A comparison of three working definitions

MJM Chin A Paw, JM Dekker, EJM Feskens, EG Schouten, D Kromhout15/11/1999

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Enzyme amplification as detection tool in continuous-flow systems II. On-line coupling of liquid chromatography to enzyme-amplified biochemical detection after pre-column derivatization with biotin

MR Bommel, APJM Jong, UR Tjaden, H Irth, J Greef12/11/1999

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Enzyme amplification as detection tool in continuous-flow systems I. Development of an enzyme-amplified biochemical detection system coupled on-line to flow-injection analysis

MR Bommel, APJM Jong, UR Tjaden, H Irth, J Greef12/11/1999

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Environmental risk assessment for pesticides in the atmosphere; the results of an international workshop

R Guicherit, DJ Bakker, P Voogt, F Berg, HFG Dijk, WAJ Pul18/11/1999

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Emission of pesticides into the air

F Berg, R Kubiak, WG Benjey, MS Majewski, SR Yates, GL Reeves, JH Smelt, AMA Linden18/11/1999

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Decline of simian immunodeficiency virus (SIV)-specific cytotoxic T lymphocytes in the peripheral blood of long-term nonprogressing macaques infected with SIVmac32H-J5

AM Geretti, EGJ Hulskotte, MEM Dings, CA Baalen, G Amerongen, SG Norley, P Boers, R Gruters, ADME Osterhaus15/11/1999

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Data needs and limitations for broad-scale ecosystem modelling

W Cramer, R Leemans, ED Schulze, A Bondeau, RJ Scholes18/11/1999

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Complejacion de contraiones divalentes a polielectrolitos lineales: tratamiento teorico-experimental

RD Porasso, MAGT Hoop, JC Benegas25/11/1999

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Changes in and factors related to loneliness in older men. The Zutphen Elderly Study

MAR Tijhuis, J Jong-Gierveld, EJM Feskens, D Kromhout12/11/1999

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Cardiovascular diseases and risk factors in a population-based study in the Netherlands: agreement between questionnaire information and medical records

OH Klungel, A Boer, AHP Paes, JC Seidell, A Bakker12/11/1999

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