interactive handwashing programme PRIMIT.

Quelle: My Intervention :: s1pg02.

Werbeanzeigen

triclosan in soap useless.

Quelle: Bactericidal effects of triclosan in soap both in vitro and in vivo, J. Antimicrob. Chemother. first published online September 15, 2015.

Herstellung von Seife (Verseifung)

Chemie-Student Leonard Benecke, 21 Jahre.

%d Bloggern gefällt das: