within six months of effectively using methicillin to treat s. aureus infections in a community, all new s .aureus infections were caused by mrsa. how can this best be explained?

Adangerous they will drug created from marijuana or tobacco soaked in embalming fluid and or laced with pcp is known as hashish, wet stick, green joint, or black resin

Mario was conducting research regarding the treatment of aids victims using stem cells. he found a source that was written recently and the author was known. unfortunately, he could not determine if it had been peer reviewed.

Wich technque is not recommended for use as a supporting detail