Doctor Harrison Flippin talks about new knowledge of penicillin therapy in a laboratory, and that no change should be made in anticipating penicillin therapy. He talks about three basic principles of penicillin: The organism must be susceptible to penicillin, the organism must be reached by penicillin in adequate concentration and the organism must be eradicated or suppressed.
This historic stock footage available in HD video. View pricing below video player.
Type | Size | Price (USD) Comprehensive All Media License |
Price (USD) Digital-Only License |
---|---|---|---|
HD Master, Broadcast-ready (1920x1080, unmarked) | 530 MB | $175.00 | $79.00 |
HD Screener (1920x1080, full-res with timecode) | 530 MB | FREE or $4 (see below) | FREE or $4 (see below) |
Proxy (320x240, low-resolution, watermarked) | 9 MB | FREE or $4 (see below) | FREE or $4 (see below) |