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Author's bio:*Required Henricus Cornelis Maria "Henk" Krol (Dutch pronunciation: [??n?rik?s k?r?ne?l?s ma??ria? ???nk ?kr?l]; born 1 April 1950) is a Dutch journalist, publisher, entrepreneur, activist, and politician of 50PLUS.
Medical practitioner who is regarded as the father of medicine
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