RT Journal Article SR Electronic T1 Variations in the night visiting rate JF The Journal of the Royal College of General Practitioners JO J R Coll Gen Pract FD British Journal of General Practice SP 539 OP 539 VO 35 IS 280 A1 Cubitt, Terry YR 1985 UL http://bjgp.org/content/35/280/539.3.abstract AB