title: Practice activity analysis 3. Investigation. From the Birmingham Research Unit of the Royal College of General Practitioners.
mesh_terms: D001800:Blood Specimen Collection; D004739:England; D005194:Family Practice; D005260:Female; D006801:Humans; D011247:Pregnancy; D011258:Pregnancy Tests; D013048:Specimen Handling / Q000379:methods*; D014556:Urine