Changes in bacterial flora of conjunctival sac in patients prophylacticaly treated with antibiotic before cataract operation - Gerkowicz, Marek; Gruszecka-Gerkowicz, Renata; Kosior-Jarecka, Ewa; Pietraś-Trzpiel, Małgorzata (Klinika Oczna / Acta Ophthalmologica Polonica, 2005)