from Invitrogen for Gibco™ Penicillin-Streptomycin liquid
Gibco™ Antibiotic-Antimycotic (100X), liquid from Invitrogen
Gibco™ Penicillin-Streptomycin liquid from Invitrogen
Gibco™ Penicillin-Streptomycin-Neomycin (PSN) Antibiotic Mixture (100X), liquid from Invitrogen