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numeral 19

Known as: 19, Nineteen 
A natural number greater than eighteen and less than twenty and the quantity that it denotes.
National Institutes of Health

Papers overview

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Review
2017
Review
2017
Participant retention practices in longitudinal clinical research studies with high retention rates
BackgroundThere is a need for improving cohort retention in longitudinal studies. Our objective was to identify cohort retention… Expand
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Highly Cited
2004
Highly Cited
2004
Computational identification of plant microRNAs and their targets, including a stress-induced miRNA.
MicroRNAs (miRNAs) are approximately 21-nucleotide RNAs, some of which have been shown to play important gene-regulatory roles… Expand
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Highly Cited
1998
Highly Cited
1998
Rectal cancer: the Basingstoke experience of total mesorectal excision, 1978-1997.
OBJECTIVE To examine the role of total mesorectal excision in the management of rectal cancer. DESIGN A prospective consecutive… Expand
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Highly Cited
1998
Highly Cited
1998
Effects of metformin on spontaneous and clomiphene-induced ovulation in the polycystic ovary syndrome.
BACKGROUND Obese women with the polycystic ovary syndrome are relatively unresponsive to the induction of ovulation by clomiphene… Expand
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Highly Cited
1993
Highly Cited
1993
STRENGTH IS IGNORANCE; SLAVERY IS FREEDOM: MANAGING CULTURE IN MODERN ORGANIZATIONS*
The article subjects the assumptions and prescriptions of the ‘Corporate Culture’literature to critical scrutiny. the body of the… Expand
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Highly Cited
1992
Highly Cited
1992
Somatic mutations of the APC gene in colorectal tumors: mutation cluster region in the APC gene.
We examined somatic mutations of the adenomatous polyposis coli (APC) gene in 63 colorectal tumors (16 adenomas and 47 carcinomas… Expand
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Highly Cited
1989
Highly Cited
1989
The Pittsburgh sleep quality index: A new instrument for psychiatric practice and research
Despite the prevalence of sleep complaints among psychiatric patients, few questionnaires have been specifically designed to… Expand
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Highly Cited
1986
Highly Cited
1986
Aging and Posture Control: Changes in Sensory Organization and Muscular Coordination
The following study examined two aspects of balance control in the older adult: 1) the coordination of the timing and the… Expand
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Highly Cited
1983
Highly Cited
1983
The symptomatic anterior cruciate-deficient knee. Part I: the long-term functional disability in athletically active individuals.
This study reports on the disability of 103 patients with symptomatic chronic laxity of the an tenor cruciate ligament that was… Expand
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Highly Cited
1976
Highly Cited
1976
Experimental Economics: Induced Value Theory
It is the premise of this paper that the study of the decision behavior of suitably motivated individuals and groups in lab… Expand
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