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This article presents a rationale for using a combination of follicular units and slit grafts in hair transplanting and reports no new clinical results.

This study reports high growth rates in densely packed follicular unit grafts using the lateral slit technique, with a 98.6% growth rate at 72 grafts/cm2.

This study describes permanent scalp alopecia in patients receiving chemotherapy, radiation, or both, and highlights the need for further research to identify causative factors and mitigation strategies.

In this study, researchers found that stress likely triggers symmetrical alopecia in Formosan macaques in Mt. Longevity, Taiwan, with higher stress hormone levels associated with the condition.

This study found that stress is likely the main cause of symmetrical alopecia in Formosan macaques, with higher stress hormone levels observed in affected individuals.

This article describes refined techniques in facial hair transplantation for increasing demand in restoring eyebrow density in women and achieving fuller beards in men, without presenting new clinical results.

This study examined the follicular unit density in the scalp and beard donor areas of Indian men undergoing hair restoration surgery, reporting mean densities of 78.2/cm² and 49.7/cm² respectively, and proposed guidelines for safe follicular unit extraction.

In this study, hair restoration using follicular unit extraction removed about 35% of donor area hair density, indicating a need for careful consideration of varying donor densities.

This study found that follicular density and various hair growth ratios differ statistically between nonscarring and scarring alopecia, though significant overlap exists due to factors like sample size and scalp variation.

This study observed that indigenous South Africans with natural afro-textured hair have lower hair densities, varying shaft diameters, and distinct follicular unit patterns compared to other racial groups, with significant gender differences in some parameters, highlighting the need for tailored reference values in clinical settings.

This article explores aesthetic techniques in follicular hair transplantation, emphasizing natural-looking results and plans to present a case study, but it reports no new clinical findings.

This survey estimates that the number of follicular units with "permanent" hair available for transplant varies based on hair density and projected male pattern baldness type, providing guidelines for realistic surgical goals.

This study observed that densely packed follicular unit grafts using the lateral slit technique have high growth rates, even at 72 grafts/cm², contradicting previous findings with older methods.

This study observed slight variations in follicular unit graft density among different Asian populations in the donor areas used for hair transplantation.

This study observed that actual harvested grafts in hair transplantation yielded more 1-hair follicular units and fewer 3-hair follicular units than originally estimated, with older age and multiple procedures limiting donor scalp harvesting.

This study developed a geometric framework for estimating safe donor harvesting in hair transplants, showing that individual hair characteristics like caliber and length significantly affect donor capacity.

The document concludes that hair restoration has improved with follicular unit transplantation, making it more scientific and precise.

This article reviews modern hair transplantation techniques, noting that while many innovations have improved natural-looking results and expanded candidate eligibility, some may have hidden drawbacks, and it reports no new results.

This review discusses recent developments in hair restoration, highlighting the continued prominence of follicular unit strip surgery and the growing literature on the relatively new technique of follicular unit extraction, without presenting new clinical results.

This correspondence discusses issues related to overharvesting and challenges in measuring factors that impact donor coverage in hair transplantation procedures, but it does not report specific study results or outcomes.

This review discusses the role of scalp imaging techniques in trichology for researching drug delivery and toxicology, without presenting new clinical results.

This study captured digital images of hair regions in healthy individuals and patients with androgenetic alopecia to analyze and compare the number of follicular units and hairs using software.

In this study involving 13 patients with vitiligo-associated leukotrichia, minimal hair repigmentation was observed following treatment with fractional CO₂ laser and topical betamethasone, though the method was well tolerated, highlighting the need for further research to optimize treatment parameters.

In this study, researchers developed an innovative training model using oranges to practice designing the scalp's parietal whorl for hair transplantation. They reported that a density of 40-50 follicular units per cm² achieved better results, aiding surgeons in improving their technique.

In this study, researchers identified optimal hair follicle and follicular unit densities for successful hair transplantation in male patients with androgenetic alopecia in China.

This study introduced and evaluated a new dermoscopic feature, pigmented rings with central clearing, for improving the diagnosis of melasma and differentiating it from similar conditions.

This study found that follicular unit transplantation is an effective and relatively safe treatment for cicatricial alopecia in Chinese patients, delivering satisfactory postoperative results.

This article discusses treatments for secondary cicatricial alopecia and innovations in hair transplantation but reports no new clinical results.

This study found that follicular streamers are mostly present in non-scarring alopecia cases, and tracking their location can improve diagnosis accuracy.

This study found that photoacoustic imaging can effectively measure follicle density and angles, even when follicles are not visible to the eye, providing a promising alternative to traditional photographic examination.