ADJ
- blood, DNA, faecal, RNA, rock, serum, tissue, urine, etc.
- biopsy, clinical
VERB + SAMPLE
- collect, take
- provide
- All the athletes had to provide a urine sample
- analyse, study, test
SAMPLE + NOUN
- book
- We looked at sample books to choose the furniture fabric
- bottle
ADJ
- small
- large, wide
- population
- representative
- random
VERB + SAMPLE
- draw
- a sample drawn from men aged 35?40
SAMPLE + VERB
- comprise sth, consist of sth
- Our sample comprised 250 catering workers
SAMPLE + NOUN
- size
- A larger sample size yields more reliable data
- survey
- group
PREP
- ~ of
- a wide sample of people