Results 241 to 250 of about 487,986 (282)
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Molecular and Cellular Endocrinology, 2000
During oogenesis, germ cell numbers sharply decrease when meiosis is initiated. There is solid evidence (DNA ladders, in situ detection) that this loss is through apoptosis. Oocyte apoptosis appears to hit mitotic primordial germ cells (PGC), pachytene oocytes and early primordial follicles.
Reynaud, Karine +1 more
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During oogenesis, germ cell numbers sharply decrease when meiosis is initiated. There is solid evidence (DNA ladders, in situ detection) that this loss is through apoptosis. Oocyte apoptosis appears to hit mitotic primordial germ cells (PGC), pachytene oocytes and early primordial follicles.
Reynaud, Karine +1 more
openaire +3 more sources
American Journal of Evaluation, 1998
Attrition of subjects from therapeutic treatment programs, long recognized as a bane of evaluation researchers, is the focus of hundreds of studies purporting to explain, measure or correct it. This article discusses the scope and limitations of research regarding the causes of premature termination from psychotherapeutic and substance abuse programs ...
openaire +1 more source
Attrition of subjects from therapeutic treatment programs, long recognized as a bane of evaluation researchers, is the focus of hundreds of studies purporting to explain, measure or correct it. This article discusses the scope and limitations of research regarding the causes of premature termination from psychotherapeutic and substance abuse programs ...
openaire +1 more source
Sociological Methods & Research, 2014
Attrition is the process of dropout from a panel study. Earlier studies into the determinants of attrition study respondents still in the survey and those who attrited at any given wave of data collection. In many panel surveys, the process of attrition is more subtle than being either in or out of the study.
openaire +4 more sources
Attrition is the process of dropout from a panel study. Earlier studies into the determinants of attrition study respondents still in the survey and those who attrited at any given wave of data collection. In many panel surveys, the process of attrition is more subtle than being either in or out of the study.
openaire +4 more sources