利用PubMed精确检索短语HIV infections,应该采用的检索式是 ( )
A: HIV infections
B: [HIV infections]
C: (HIV infections)
D: HIV infections[MH]
E: HIV infections[ALL fields]
A: HIV infections
B: [HIV infections]
C: (HIV infections)
D: HIV infections[MH]
E: HIV infections[ALL fields]
举一反三
- HSV-1 mainly causes skin and mucous membrane infections in the genital area
- 3. The number of new infections and people living with H.I.V. have both dropped.
- 文章同第7题9. Mumps, measles and common colds are all virus infections and can be cured by antibiotics.
- Clustered outbreak of COVID-19 refers to ( ) A: Two or more confirmed cases or asymptomatic infections within 7 days in a small area B: Two or more confirmed cases within 14 days in a small area C: Two or more confirmed cases or asymptomatic infections within 14 days in a small area D: Two or more confirmed cases within 21 days in a small area E: Two or more confirmed cases or asymptomatic infections within 21 days in a small area
- Direct microscopic examination of skin lesions without mycelium or spores can rule out fungal infections