Subcutaneous injections vs intravenous infusion of sodium heparin in the treatment of deep thrombosis of inferior limbs - Lopaciuk, S; Misiak, A; Wislawski, S; Ciesielski, L; Korzycki, J; Judkiewicz, L; Lewandowski, K; Tokarz, A; Kloczko, J; Bielawiec, M; Tyminski, M; Czestochowska, E (Pol Tyg Lek, 1990)