Ridley, M.

staph aureus carrier perineal organism number perineum clothing contamination perineal carriers subject table colony plate perineal area result strain faece survey pattern phage perineal staph phage pattern thoma surface carriage investigation individual minute scrotum thigh air pollution staphylococci dispersal perineal carriage experiment occasion hospital ability finger right transmission source student clothing contamination perineal skin growth 24 hours ridley perineal carrier front period table i table v 0-0 cubicle count infection faecal contamination movement faecal pollution treatment contact shirt william gland 0-2 medium 0-4 extent wallace group paper reservoir skin swabs person perineal strain attempt multiplication