sf: HMM lf: heavy meromyosin, freq: 267, since: 1971 lf: heavy meromyosin, freq: 244, since: 1971 lf: Heavy meromyosin, freq: 12, since: 1975 lf: H-meromyosin, freq: 5, since: 1975 lf: heavy-meromyosin, freq: 4, since: 1977 lf: heavy meromyosin, freq: 1, since: 1976 lf: H-Meromyosin, freq: 1, since: 1976 lf: hidden Markov model, freq: 245, since: 1990 lf: hidden Markov model, freq: 148, since: 1992 lf: Hidden Markov Model, freq: 29, since: 1993 lf: hidden Markov models, freq: 26, since: 1995 lf: Hidden Markov Models, freq: 13, since: 2001 lf: Hidden Markov model, freq: 9, since: 1994 lf: Hidden Markov models, freq: 6, since: 1995 lf: Hidden Markov Modeling, freq: 2, since: 2007 lf: hidden Markov Model, freq: 2, since: 2008 lf: Hidden Markov modeling, freq: 2, since: 2000 lf: hidden Markov modeling, freq: 2, since: 1990 lf: Hidden-Markov Model, freq: 1, since: 2008 lf: Hidden Markov modelling, freq: 1, since: 1990 lf: hidden markov models, freq: 1, since: 2000 lf: hidden markov model, freq: 1, since: 2005 lf: hidden-Markov-model, freq: 1, since: 1996 lf: Hidden-Markov-Model, freq: 1, since: 2004 lf: hexamethylmelamine, freq: 55, since: 1976 lf: hexamethylmelamine, freq: 45, since: 1977 lf: Hexamethylmelamine, freq: 10, since: 1976 lf: high molecular mass, freq: 44, since: 1982 lf: high molecular mass, freq: 26, since: 1982 lf: high-molecular-mass, freq: 17, since: 1991 lf: High molecular mass, freq: 1, since: 2001 lf: human malignant mesothelioma, freq: 17, since: 1986 lf: human malignant mesothelioma, freq: 4, since: 1990 lf: human monocyte-derived macrophages, freq: 3, since: 1991 lf: human monocyte-macrophages, freq: 3, since: 1990 lf: Human malignant mesothelioma, freq: 3, since: 2005 lf: Human monocyte-derived macrophages, freq: 2, since: 1986 lf: human monocyte-macrophage, freq: 2, since: 1999 lf: hydroxymethylmexiletine, freq: 8, since: 1990 lf: hydroxymethylmexiletine, freq: 8, since: 1990 lf: Home Management of Malaria, freq: 5, since: 2006 lf: Home Management of Malaria, freq: 3, since: 2006 lf: home management of malaria, freq: 2, since: 2007 lf: 6a-hydroxymaackiain 3-O-methyltransferase, freq: 3, since: 1997 lf: 6a-hydroxymaackiain 3-O-methyltransferase, freq: 3, since: 1997