Comparison of the in vivo effects of morphine and methadone on natural killer cell activity in spleen, peritoneal cavity and lungs in rats.

van der Laan, JWTimmerman, Hvan Loveren, H2025-03-142025-03-141996https://rivm.openrepository.com/handle/10029/636235Comparison of the in vivo effects of morphine and methadone on natural killer cell activity in spleen, peritoneal cavity and lungs in rats.ArticleInt J Immunopharmacol 1996; 18:401-72025-03-14