The isolation of micro-organisms from creams and ointments by membrane filtration.
D004926:Escherichia coli / Q000302:isolation & purification*; D005374:Filtration; D008722:Methods; D009824:Ointments; D010461:Peptones; D011550:Pseudomonas aeruginosa / Q000302:isolation & purification*; D013210:Staphylococcus / Q000302:isolation & purification*; D013696:Temperature; D014867:Water; D014894:Weights and Measures
D009824:Ointments; D010461:Peptones; D014867:Water