Biomedical subjects
Publications and source records attributed to Robert T Brown.
Adolescence is the period of life in which issues of sexuality come to the fore. This article describes the concept of sexuality, teens' expression of sexuality, and various consequences of sexual behaviors. Issues of sexual preference and identity are described,and a brief discussion of sex education is presented. Primary care clinicians should use this article as a basis for further exploration of these important issues for their adolescent patients.
Pregnancy and its complications are the leading causes of morbidity and mortality in young women in the developing world. These issues are discussed, and recommendations are made for their alleviation.
We present a kinetic model for Q-switched, cladding-pumped, high-power Yb-doped fiber lasers that are based on the rate equation, in a difference equation form, of ion population and propagation equations for both pumping and signal light. The effects of fiber-laser parameters, such as doping, length, pump power, and repetition rate on pulse characteristics are analyzed. This model is used to analyze the performance of Q-switched multicore fiber lasers and to show the output pulses with enhanced characteristics.
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Much is written of adolescents taking risks, including using drugs and alcohol, without a clear understanding of factors that promote or deter such behaviors. This article attempts to clarify these factors in order to help physicians understand why adolescents behave in these ways and to help physicians develop methods to prevent these risky behaviors.