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Legal highs - legal aspects and legislative solutions.
Kapka-Skrzypczak L, Kulpa P, Sawicki K, Cyranka M, Wojtyła A, Kruszewski M. Kapka-Skrzypczak L, et al. Among authors: kulpa p. Ann Agric Environ Med. 2011;18(2):304-9. Ann Agric Environ Med. 2011. PMID: 22216803 Free article. Review.
Aerobic exercise in pregnancy.
Kulpa PJ, White BM, Visscher R. Kulpa PJ, et al. Am J Obstet Gynecol. 1987 Jun;156(6):1395-403. doi: 10.1016/0002-9378(87)90006-8. Am J Obstet Gynecol. 1987. PMID: 3591854 Clinical Trial.