18-January-2023 Wednesday
Gas chromatographs. Device and principle of operation
10-January-2023 Tuesday
How lives are saved with chromatography
23-November-2021 Tuesday
Admission to the University of Italy
05-October-2018 Friday
Notes of a Pediatric Dentist #2. How to brush your teeth.
13-September-2018 Thursday
Chess lessons. Chess for beginners. What is chess? Pieces in chess.
13-June-2018 Wednesday
Brooch-house [Needleworkers give]
24-April-2018 Tuesday
About tranquilizers (in detail and scientifically)
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