Source:
GP [GP] 1960 Apr; Vol. 21, pp. 133-6.Publisher: American Academy of General Practice Country of Publication: United States NLM ID: 0230511 Publication Model: Print
Source:
GP [GP] 1959 Oct; Vol. 20, pp. 154-62.Publisher: American Academy of General Practice Country of Publication: United States NLM ID: 0230511 Publication Model: Print
Source:
GP [GP] 1961 Mar; Vol. 23, pp. 82-5.Publisher: American Academy of General Practice Country of Publication: United States NLM ID: 0230511 Publication Model: Print