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The last decades have witnessed a shift in the studies on Spanish rural commons, in line with changes in the international social science and historical literature as a whole. The focus in the 1970s was on the privatisation process referred to as desamortización (disentailment), being considered one of the essential steps in the transition to capitalism. The recent revival of attention to rural commons has been concerned less with privatisation than with the realfunctioning of commons institutions and the social relations surrounding them. A further thrust of interest has been the interaction between rural society and the state, mainly with respect to forestry policy and its effects on different regions. A third flourishing field of research is the emergence of conflicts around rural commons – not only those of a distributive nature but also environmental and political ones. Accordingly, these new approaches go beyond the old image of a fatal destiny in order to profoundly analyse the environmental and social dimensions of rural commons' dynamics. ; The last decades have witnessed a shift in the studies on Spanish rural commons, in line with changes in the international social science and historical literature as a whole. The focus in the 1970s was on the privatisation process referred to as desamortización (disentailment), being considered one of the essential steps in the transition to capitalism. The recent revival of attention to rural commons has been concerned less with privatisation than with the realfunctioning of commons institutions and the social relations surrounding them. A further thrust of interest has been the interaction between rural society and the state, mainly with respect to forestry policy and its effects on different regions. A third flourishing field of research is the emergence of conflicts around rural commons – not only those of a distributive nature but also environmental and political ones. Accordingly, these new approaches go beyond the old image of a fatal destiny in order to profoundly analyse the environmental and social dimensions of rural commons' dynamics.

Platelet-Rich Plasma (PRP) has gained tremendous popularity in recent years as a treatment option for specialties including Orthopedics, Dentistry, Sports Medicine, Otorhinolaryngology, Neurosurgery, Ophthalmology, Urology, Vascular, Cardiothoracic and Maxillofacial Surgery, and Veterinarian Medicine. Nowadays, PRP and Stem Cell Science have added an exciting dimension to tissue repair. This book begins by giving the reader a broad overview of current progress as well as a discussion of the technical aspects of preparation and therapeutic use of autologous PRP. It is followed by a review of platelet structure, function and major growth factors in PRP (PDGF and TGFß).The third chapter outlines the basic principles of biochemical cellular metabolism that increases the efficacy of PRP. Analogous to the preparation of soil for a garden, restoring cellular health should be the first consideration in Regenerative Medicine. Standardization of PRP preparation to clinical use still remains a challenging prospect. In this sense, a feasible strategy for studying PRP preparation is illustrated, which also allows to modulate and tailor the quality of PRP for further clinical applications. The science behind PRP and stem cells, on tissue regeneration, cell proliferation and mesenchyme stem-cells are emphasized and reviewed. Various specific uses of PRP are described with detailed illustrations of various personal experiences mainly in orthopedic injuries, ligament and tendon repair, degenerative diseases, sports medicine, chronic wound healing as well as rehabilitation aspects in tendinopathy. Expertly written by leading scientists in the field, this book provides for beginners and experienced readers scientific fundamentals, the state of art of PRP, specific uses and personal experiences with a practical approach and reference for current trends in use. Finally, this book paves the way for future developments.