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Kangxuan Chen, Shihao Li, Jianhai Xiang, Amir Sagi and Fuhua Li
The insulin-like androgenic gland hormone (IAG) plays a key role in male sexual differentiation and spermatogenesis in crustaceans. The expression of IAG is usually negatively regulated by neuropeptide hormones through the ?eyestalk-AG? endocrine axis. H...
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Jun Mao and Mohamed Aqiel Dalvie
Data on growth and sexual maturation among boys from the rural Western Cape in South Africa is limited. A cross-sectional study of 269 school boys was conducted testing for serum luteinizing hormone (LH), follicle stimulating hormone (FSH), testosterone,...
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Guang Yang, Zhendong Qin, Zhijie Lu, Rishen Liang, Lijuan Zhao, Gan Pan, Li Lin and Kai Zhang
The giant freshwater prawn, Macrobrachium rosenbergii, is a prawn that has economic significance throughout the world. It exhibits sex-related growth dimorphism, whereby the males grow significantly more rapidly than the females. Therefore, a study on th...
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Natércia Almeida, Andreia Teixeira, José Garcia, Natália Martins and Carla Ramalho
Background and objectives: Sex education is a necessity and a right of young people in Angola. However, this education is deficient or even absent in various subsystems and, therefore, the impact of an educational intervention on human biology and sexual...
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Davide Zanelli, Fabio Candotto Carniel and Mauro Tretiach
Applications involving graphene-related materials (GRMs) are becoming very common, raising concerns for their environmental impact. GRMs induce various effects on plants, but those on the sexual reproduction are still largely unknown. Here, the effects o...
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Mohammed Jemal Ahmed
Pág. 300 - 318
Nowadays migration has become the hot issue of the world and Africa in general and Ethiopia in Particular. However, a due attention has been given for international migration. The internal rural-urban migration has got less attention. But, currently, the...
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Tamyres Pereira Araújo Martins, Pedro Fellipe Vieira Gomides, Fernanda keley Silva Pereira Navarro, Rodrigo Diana Navarro
Pág. 477 - 481
The study aimed to verify the vitamin C supplementation on performance and gonadal development of Nile tilapia. 160 fingerlings distributed in 16 tanks with 65 L capacity and constant water renewal in a closed recirculation system were used. The design w...
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Lawrence Meda, Alfred H. Makura
Pág. 71 - 80
South Africa has reportedly the largest number of people living with HIV and AIDS in the world. Although adolescents as a group comprises the greatest portion of infected people, their behaviours and perceptions about the disease leave a lot to be desire...
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Helena Sumiko Hirata
Pág. 283 - 290
Este artigo discute, inicialmente, as teorias sobre ?care? e ?care work?, o trabalho de cuidado em relação a pessoas vulneráveis (idosos, doentes, deficientes, crianças). Em seguida, aponta os principais pontos de debate e controvérsias sobre o...
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Junho Shin, Eunkyung Jo, Yeohoon Yoon and Jaehee Jung
In cases of child sexual abuse, interviewing and obtaining trustworthy statements from victims and witnesses is essential because their statements are the only evidence. It is crucial to ascertain objectively the credibility of the victim?s statements, w...
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Liang-Min Huang, Jia-Qiao Wang, Yi-Jia Shih, Jun Li and Ta-Jen Chu
The rapid development of China?s economy has brought tremendous pressure to the marine ecosystem, and about 57% of marine fish populations have been overexploited or collapsed. A series of fisheries policies have been implemented successively to improve ...
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Zelalem B. Mengesha, Janette Perz, Tinashe Dune and Jane Ussher
Past research suggests that factors related to health care professionals? (HCPs) knowledge, training and competency can contribute to the underutilisation of sexual and reproductive health (SRH) care by refugee and migrant women. The aim of this study wa...
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Yaoqin Xue,Wenhui Zhang,Chuang Ma,Liwei Ma,Jianyun Zhou
Pág. 199 - 208
Aim of study: Quercus variabilis (Chinese cork oak) reproduces asexually and sexually. This study aimed to determine the status and growth of asexual and sexual recruits of Q. variabilis in different forest recovery stages.Area of study: Three selective ...
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Renato Barboza Barboza
Pág. 467 - 477
O presente artigo discute as políticas públicas em curso no país, nos setores da Educação e da Saúde, destinadas às pessoas com deficiência intelectual, no marco dos direitos sexuaise reprodutivos, a partir da problemática das DST/Aids. Examina a questão...
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Cecilia Nunes Froemming,Bruna Andrade Irineu,Kleber Navas
Pág. 153 - 164
Este artigo traz reflexões acerca da elboração e implementação de politicas públicas no Brasil contemporâneo e lutas do Movimento de Lésbicas, Gays, Bissexuais, Travestis e Transexuais (LGBT) em tempos de neliberalismo. Considera que a sexualidade como a...
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