PURIFICATION PROCESSES OF XENOGENEIC BONE SUBSTITUTES AND THEIR IMPACT ON TISSUE REACTIONS AND REGENERATION Статья Kavehei F., Houshmand A., Franke J., Smeets R., Rimashevskiy D., Wenisch S., Schnettler R., Jung O., Barbeck M., Perić Kačarević Z. The International journal of artificial organs. NLM (Medline). Том 41. 2018. С. 789-800