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Abgeschickt von Michael Weinert am 10 April, 2000 um 10:00:20
Antwort auf: Re: Sources of vitamin mixtures for media von Werner Frosch am 10 April, 2000 um 09:58:42:
I checked Werner's advice and he is wright. Polybion N is made by Merck in Darmstadt and is available in German pharmacies. It contains various types of vitamine B. It is produced as drops (with additional substances to improve the taste) or in ampoules (2 ml each) for injection purposes (concentration four times higher, without aromatic substances, sterile).