Hubungan gangguan obstruksi saluran napas dan asma kerja dengan pajanan debu biji padi dan faktor- faktor yang berhubungan pada petani dengan riwayat batuk berdahak di Desa Samarang, Kabupaten Garut, Jawa Barat = Relation between obstructive pulmonary disease and work-elated asthma with dust exposure from grain and the other related factors among Rice Farmers with phlegm-cough history in Samarang Village - Pasaribu, Marganda D.A., author (2008)