TY - GEN AU - Little,J A TI - Recruitment from medical referrals and clinical laboratories SN - 0009-7322 PY - 1982///1221 KW - Adult KW - Clinical Trials as Topic KW - methods KW - Humans KW - Hypercholesterolemia KW - Laboratories KW - Male KW - Middle Aged KW - Referral and Consultation N1 - Publication Type: Journal Article ER -