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Cools HJ, van den Broek PJ.Cools HJ, et al.Ned Tijdschr Geneeskd. 1994 Jan 22;138(4):169-71.Ned Tijdschr Geneeskd. 1994.PMID: 8107914Dutch.No abstract available.
Cools HJ, van Essen GA; Dutch Society of Nursing Home Specialists.Cools HJ, et al.Ned Tijdschr Geneeskd. 2005 Jan 15;149(3):119-24; discussion 116-8.Ned Tijdschr Geneeskd. 2005.PMID: 15693586Review.Dutch.