Results 301 to 310 of about 1,077,944 (364)

Selection maintains floral color polymorphism in scarlet paintbrush, Castilleja coccinea, reflecting combined ecological factors

American Journal of Botany, EarlyView.
Abstract Premise Evolutionary theory predicts polymorphism should be rare; however, intraspecific variation in floral color is common and can be attributed to genetic drift, plasticity, or variable selection. Examining floral color polymorphism both within contact zones and across a species' range can reveal the mechanisms maintaining this variation ...
Emma Fetterly, Anna S. Braum, Chloe (Eun Sun) Kim, Katherine E. Wenzell, Mary V. Ashley, Laura Steger, Jeremie B. Fant   +6 more
wiley   +1 more source

Variation in tolerance to heterospecific pollen from a non‐native congener depends on co‐existence history of maternal and paternal source populations

American Journal of Botany, EarlyView.
Abstract Premise Plants in sympatric populations with congeners may have evolved tolerance to the negative effects of heterospecific pollen (HP) through selection on female or male reproductive traits. If so, then the degree of HP tolerance may vary depending on the co‐existence history of the maternal and paternal plant source populations.
Yusuke Hoshino, Sachiko Horie, Masayuki Maki, Ikumi Dohzono   +3 more
wiley   +1 more source

Promoting radical healing to facilitate community capacity building among formerly incarcerated Black and Latino men with substance use disorders

American Journal of Community Psychology, EarlyView.
Abstract This study reports on a qualitative thematic analysis of secondary data from group session recordings collected as part of the Community Wise Optimization Trial. Community Wise is a multilevel behavioral intervention designed to increase critical consciousness and reduce substance use among formerly incarcerated men living in predominantly ...
Richmond E. Hayes, Heather A. Jones, Ellen Benoit, Dora N. Watkins, Liliane C. Windsor   +4 more
wiley   +1 more source

The increasing rates of ectopic pregnancy

Journal of Obstetrics and Gynaecology, 1991
openaire   +1 more source

Intrauterine injection of bioengineered hydrogel loaded exosomes derived from HUCM stem cells and spermidine prominently augments the pregnancy rate in thin endometrium rats. [PDF]

Regen Ther
Lin X, Fang Y, Mi X, Fu J, Chen S, Wu M, Jin N.   +6 more
europepmc   +1 more source

Impact of Progesterone Supplementation on Pregnancy Rates Following Timed Artificial Insemination or Embryo Transfer in Beef Cattle Consuming Endophyte-Infected Tall Fescue.

, 2016
Joseph Mackey
openalex   +1 more source

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Pregnancy rates and pregnancy loss in Eastern Ethiopia

Acta Obstetricia et Gynecologica Scandinavica, 2013
AbstractObjectiveTo determine pregnancy, pregnancy loss and fertility rates in a rural community of Ethiopia.DesignA prospective population‐based pregnancy surveillance.SettingKersa Demographic Surveillance and Health Research Center, a demographic surveillance site in Eastern Ethiopia.PopulationFor pregnancy rates, the study included 7738 women of ...
Nega, Assefa, Yemane, Berhane, Alemayehu, Worku   +2 more
openaire   +2 more sources

Pregnancy‐induced hypertension: recurrence rate in second pregnancies

Medical Journal of Australia, 1991
The purpose of this study was to estimate the rate of recurrence of pregnancy-induced hypertension in an Australian population.Case records of women with hypertension during pregnancy who were delivered at our hospital during a two-year period were examined retrospectively.
J L, Hargood, M A, Brown
openaire   +2 more sources