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A retrospective study is one that looks at all of the existing literature and makes conclusions. This study
is not pro or anti. It just shows the compilation of prior findings. It's a 12 page pdf article.[/align][/align]
http://www.naiaonline.org/pdfs/LongTermHealthEffectsOfSpayNeuterInDogs.pdf[/align][/align][/align].[/align]