Mark A. Pinsky

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A new stability criterion for time-varying systems consisting of linear and norm bounded nonlinear terms with uncertain time-varying delays is formulated. An explicit delay-independent sufficient stability condition is formulated in the terms of the transition matrix of the given linear part without delay and the bounds for the uncertain terms. The obtained(More)
Concentric mastopexy presents many challenges to the plastic surgeon, especially when breast augmentation is part of the treatment plan. Radial plication is a reproducible and accurate technique for elevating the nipple–areolar complex and shaping the breast mound. Patient selection is important to the success of the radial plication procedure and(More)
BACKGROUND A high concentration of crosslinked hyaluronic acid (HA) in a smooth, malleable formulation is the hallmark of the new Juvéderm dermal fillers. OBJECTIVE To determine the long-term effectiveness and safety of Juvéderm Ultra and Ultra Plus injectable gel. METHODS In the multicenter study approved by the Food and Drug Administration, subjects(More)