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BACKGROUND Hyperpigmented lesions are a predominant component of photoaging in Chinese and Japanese persons. Topical 0.1% tretinoin cream improves the hyperpigmentation associated with photoaging in Caucasian persons. OBJECTIVE Our purpose was to assess the efficacy of 0.1% tretinoin cream treatment of hyperpigmented lesions associated with photoaging in(More)
Prolactin (PRL) mRNA concentrations were assessed by nucleic acid hybridization assays in pituitaries of ewes representing the defined stages of the ovine estrous cycle. Concomitantly, pituitary and serum PRL concentrations were measured in these ewes using radioimmunoassays. It was observed that PRL serum, pituitary and mRNA concentrations tended to(More)
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