К слову о трепе, Елена. Это научная статья, а не не газетная или журнальная. Все данные, приведенные в ней - базируются на исследованиях.
Вот оригинал на английском языке
www.spayusa.org/media/pdfs/prepubal_neutering.pdf
ВОТ ИСТОЧНИКИ, на данные которых опирается эта статья.
Надеюсь не будет аргумента- что источники на англ. языке- поэтому они не в счет?
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