observational studies

observational study

• 比较研究

• peripheral initiation
• epileptogenic
• chantresses
• Punjabis
• crack ... up
• busied
• one for the books
• singularize
• trihydroxyestrin
• pyx
• shrug off
• strike a note
• gonadotrophin
• exponential integral
• weak grade
• overcompensations
• arshin
• gain access to
• pleximetries
• water sealing
• millioned
• impregnableness
• gang together
• demonstrations
• gas gangrene
• light bread
• calthrops
• mucker
• Columbians
• steam organ
• typhus
• on the anxious bench
• take up employment
• Denali
• bring out
• independent school
• long ink
• be (stuck) between a rock and a hard place
• herded
• bibenzyls
• labour a (或 the) point
• work the oracle
• Fumariaceae
• dipsie
• standard test-tone power
• be here to stay
• as black as thunder
• give particulars
• Maltese cats
• in good repair
• emergency ration
• regroup
• Ice.
• autoinjector
• brittle temperature of polymers
• northeasterlies
• pack sth ↔ away
• keep the field
• line relay
• euthanizer
• stone plants
• personalizing
• Chadwick, Sir James
• earthwoman
• any luck?
• Lompoc
• peacock
• Sardinia
• treasonable
• area definition
• Erin go bragh
• hip wrestling
• turn on one's heel
• input-output devices
• gamba
• of great price
• sea lawyers
• sialoliths
• harmonic producer
• in (full) spate
• body-pop
• coslettuce
• Lippmann, Gabriel
• absorbings
• at large
• luna moths
• stealth
• waftage
• Oran
• Planck's law
• Allenby, Edmund Henry Hynman
• pressure regulator
• HPV
• rowdedow
• reding
• take sth in good part
• musquash
• musicogenic
• common goods
• machine time