Source:
GP [GP] 1957 Aug; Vol. 16 (2), pp. 110-20.Publisher: American Academy of General Practice Country of Publication: United States NLM ID: 0230511 Publication Model: Print
Source:
GP [GP] 1957 Apr; Vol. 15 (4), pp. 103-18.Publisher: American Academy of General Practice Country of Publication: United States NLM ID: 0230511 Publication Model: Print