Zangaglia R, Martignoni E, Glorioso M, et al.. Macrogol for the treatment of constipation in Parkinson's disease. A randomized placebo-controlled study. Mov. Disord.. 2007, roč. 22, čís. 9, s. 1239–44. doi:10.1002/mds.21243. PMID17566120.
Zangaglia R, Martignoni E, Glorioso M, et al.. Macrogol for the treatment of constipation in Parkinson's disease. A randomized placebo-controlled study. Mov. Disord.. 2007, roč. 22, čís. 9, s. 1239–44. doi:10.1002/mds.21243. PMID17566120.